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Saturday, August 21, 2021

MCQ Questions for Class 10 Science Chemistry Chapter 3

MCQ Questions for Class 10 Science Chemistry Chapter 3 Metals and Non-metals will help you to understand the properties of metals and non-metals. For better preparation for the board examination, you should go through the activity given in the chapter.


In the Term- I examination 2021, the multiple-choice questions will be asked so here you are provided with MCQ questions for Class 10 Science Chemistry Chapter 3 Metals and Non-metals.


Here most important MCQs have been provided so you can do better in your coming examination.


MCQ Questions for Class 10 Science Chemistry Chapter 3 Metals and Non-Metals


All MCQ Questions for Class 10 Science Chemistry Chapter 3 have been prepared according to a new pattern of 10 Board Examinations and completely based on the NCERT Science book of class 10.


Correct answers with Explanation are also given so that you can better understand the basic concept of questions.

For detailed and thorough study you can also check NCERT Solution of Class 10 Science Chapter 3 Acids, Bases andSalts.


The students can download MCQ Questions for Class 10 Science Chemistry Chapter 3 in PDF.


Chapter 3  Metal and Non-metals

 

 

Multiple Choice Questions for I term Exams 2021-22

Choose correct answers to the following questions-

 

1   The most ductile metal is

(a)Aluminium                                     

(b)Silver

(c) Gold                                               

(d)Lead

Correct answer- (c)

Explanation – The ability of metals to be drawn into thin wire is known as ductility. Very thin wires can be drawn from gold.

 

2    The best conductor of heat and electricity is

(a) Aluminium                                    

(b)Gold

(c) Silver                                             

(d)Lead

Correct answer- (b)

 

 

3   The poorest conductor of heat is

(a) Aluminium                                    

(b)Silver

(c) Gold                                               

(d)Lead

Correct answer- (d)

 

 

4  The best malleable metal is

(a) Aluminium                                    

(b)Silver

(c) Gold                                               

(d)Lead

Correct answer- (c)

Explanation – the ability of metals to be beaten into thin sheets is known as malleability. Very thin sheets can be made from gold.

 

 

5    The most abundant metal in the earth’s crust is

(a) Iron                                       

(b)Copper

(c) Aluminium                                    

(d)Mercury

Correct answer- (c)

 

 

6    The metal which we can cut with a knife is

(a) Sodium                                 

(b)Silver

(c)Gold                                    

(d)Platinum

Correct answer- (a)

Explanation – Sodium by nature is a very soft metal so it can be cut with a knife.

 

7    The metal that reacts with cold water is

(a) Mercury                               

(b)Sodium

(c) Zinc                             

(d)Tungsten

Correct answer- (b)

 

 

8   The only metal that is liquid at room temperature is

(a) Mercury                               

(b)Sodium

(c) Zinc                             

(d)Tungsten

Correct answer- (a)

 

 

9   Which is the correct reactivity series

(a) Na > AI > Ca > K                         

(b)K > Ba > Ca > Fe > Na

(c) K > Ca > Ba > Fe > Na                

(d)K > Ba > Ca > Na > Mg

Correct answer- (d)

 

 

10  The process of extracting metal from its ores is known as

(a) Concentration                      

(b)Calcination

(c) Purification                                   

(d)Metallurgy

Correct answer- (d)

 

 

11  Which is not found in a free state

(a) Sodium                                 

(b)Silver

(c) Gold                                     

(d)Platinum

Correct answer- (a)

Explanation – Sodium is a highly reactive metal so it reacts with other elements and forms compounds, that’s why it is not found in a free state.

 

12  Naturally occurring metal-containing material is called

(a)Slag                                       

(b)Gangue

(c)Ore                                         

(d)Mineral

Correct answer- (d)

 

 

13  The compound from which metal is extracted economically is

(a)Slag                              

(b)Gangue

(c) Ore                                        

(d)Mineral

Correct answer- (c)

 

 

14  The unwanted substances present with ore are called

(a)Slag                              

(b)Gangue

(c) Ore                                        

(d)Mineral

Correct answer- (b)

 

 

15  Sulphide ore are generally concentrated by

(a)Forth floatation process                

(b)Electromagnetic process

(c) Gravity-process                   

(d)All the above

Correct answer- (a)

 

 

16  The process to heat the ore in the presence of a limited supply of air below its melting point is called

(a)Roasting                     

(b)Calcination

(c)Smelting                             

(d)Liquation

Correct answer- (b)

 

17  The process of heating the ore in the presence of excess supply of air below its melting point is called

(a) Roasting                     

(b)Calcination

(c) Smelting                               

(d)Liquation

Correct answer- (a)

 

 

18  Brass is a mixture of

(a) Copper and zinc                            

(b)Copper and tin

(c) Copper, nickel and zinc               

(d)Aluminium, copper and traces of Mg & Mn.

Correct answer- (a)

 

 

19  Which metal does not displace hydrogen with dilute sulphuric acid

(a) Zn                                         

(b)Mg

(c) Cu                                         

(d)Fe

Correct answer- (c)

 

 

20  Bronze is a mixture of

(a) Copper and zinc                            

(b)Copper and tin

(c) Copper, nickel and zinc               

(d)Aluminium, copper and traces of Mg & Mn.

Correct answer- (b)

 

 

21  The number of non-metal known is

(a)32                                           

(b)18

(c) 22                                          

(d)80

Correct answer- (c)

 

 

22  The non-metal which is a liquid at room temperature is

(a)Boron                                    

(b)Phosphorus

(c) Sulphur                                

(d)Bromine

Correct answer- (d)

 

 

23  The non-metal which is a good conductor of electricity is

(a) Boron                                   

(b)Graphite

(c) Sulphur                                

(d)Arsenic

Correct answer- (b)

Explanation – Graphite is an allotrope of Carbon and in graphite each carbon has free electron that’s why it is a good conductor of electricity.

 

24  Ferrous ores are separated by

(a) Forth floatation process               

(b)Electromagnetic process

(c)Gravity-process                    

(d)All the above

Correct answer- (b)

 

25  The process to remove unwanted impurities from the ore is called

(a) Purification                                   

(b)Calcination

(c) Bessimerisation                            

(d)Concentration

Correct answer- (d)

 

 

26  Which is not a property of non-metals

(a) They are usually brittle                

(b)They cannot be polished

(c) They donate electrons                  

(d)They are not good conductors of heat and electricity

Correct answer- (c)

Explanation – Non- metals have tendency to accept electrons and form anions.


 

27  The electronic configuration of sulphur(atomic number 16) is

(a) 2, 8, 3                                   

(b)2, 8, 4

(c) 2, 8, 8, 4                               

(d)2, 8, 6

Correct answer- (d)

 

 

 

28  Most the metals produce sound because they are

(a) Sonorous                              

(b) Malleability

(c) Conductivity                                 

(d) Ductility

Correct answer- (a)

 

 

29  Amphoteric oxide is

(a) Na2O                                              

(b)BaO

(c) ZnO                                      

(d)K2O

Correct answer- (c)

 

 

30  The process of forming a thick layer of oxide on the aluminium surface is called.

(a) Anoding                               

(b) Bessimerisation

(c) Catenation                                     

(d) Galvanisation

Correct answer- (a)

 

 

31  Metal that reacts violently with cold water is

(a) Cu                                         

(b)K

(c) Fe                                          

(d)Mg

Correct answer- (b)

 

 

32  Metal that reacts with hot water is

(a)Cu                                          

(b)K

(c)Mg                                         

(d)Fe

Correct answer- (c)


 

    33     Metal that react with steam is

(a)Cu                                          

(b)Fe

(c)K                                   

(d)Mg

Correct answer- (b)

 

 

   34     Metal that does not react with water is

(a)Cu                                          

(b)K

(c)Fe                                           

(d)Mg

Correct answer- (a)

 

 

35  The ability of a metal to change into a thin sheet on hammering, is called

(a)Sonorous                               

(b)Malleability

(c) Conductivity                                 

(d)Ductility

Correct answer- (b)

 

 

36  Metal are drawn into wires, due to the property of

(a) Sonorous                              

(b)Ductility

(c) Conductivity                                 

(d) Malleability      

Correct answer- (b)

 

 

  37     Aqua regia is a mixture of concentrated

(a) Hydrochloric acid and sulphuric acid                                        

(b)Nitric acid and sulphuric acid

(c)  Hydrochloric acid and nitric acid

(d) Nitric acid and acetic acid

Correct answer- (c)

 

 

  38     The number of electrons in the outermost shell of metals is

(a) 1                                            

(b)2

(c) 2                                            

(d)all the above

Correct answer- (d)

 

 

 39.Mg (atomic number 12) will lose .........electrons to acquire stable configuration

(a)1                                             

(b)2

(c) 3                                            

(d)4

Correct answer- (b)

Explanation – Electronic configuration of Mg is 1s2,2s2, 2p6,3s2 . Mg loss 2 electrons from its outermost shell (3s) to acquire a stable configuration.

 

 

 

  40     Pure gold is known as

(a) 20-carat gold                                 

(b)22-carat gold

(c) 24-carat gold                                 

(d)26-carat gold

Correct answer- (c)

 

 

  41     The property not shown by metals is

(a) Malleability                                   

(b)Sonorous in nature

(c)Conductivity                                  

(d)Dullness

Correct answer- (d)

Explanation – All metals are lustrous in nature. They shine and reflect light.

 

  42     Mostly kitchen vessels are made of aluminium, due to its

(a) Good electrical conductivity       

(b)Good thermal conductivity

(c)Malleability                                    

(d)Ductility

Correct answer- (b)

 

 

  43     The correct statement is, magnesium  reacts with

(a) Coldwater vigorously     

     (b)Hot water

(c) With steam                                    

(d) It does not react with water

Correct answer- (b)

 

 

  44     The correct statement is, iron reacts with

(a) Coldwater and form FeO            

(b)Hot water and forms Fe2O3

(c) Steam and forms Fe3O4                

(d)Iron does not react with water

Correct answer- (c)

 

 

  45     Metals do not form hydrogen gas reacting with

(a) Hydrochloric acid                         

(b)Nitric acid

(c) Sulphuric acid                     

(d)All the above

Correct answer- (b)

 

 

  46     Which of the following is not an ionic compound? is

(a) NaCI                                               

(b)KCI

(c) H2SO4                                            

(d)CCI4

Correct answer- (d)

Explanation – CCl4  is an organic compound.

 

 47  NaCI is an ionic compound, it is soluble in

(a) Alcohol                                

(b)Water

(c) Carbon tetrachloride

(d)Dimethyl ether

Correct answer- (b)

Explanation –Ionic compounds are soluble in Polar solvents like water.

 

  48     Electrolytic reduction is used to obtain metals that are

(a) Low in activity series                   

(b)Middle of the activity series

(c) High up in the activity series      

(d)All the above

Correct answer- (c)

 

 

  49     The property not shown by ionic compounds is

(a) High melting and boiling point  

(b)Rigid structure and definite shape

(c) Conductivity in solid-state           

(d)Solubility in water

Correct answer- (c)

 

 

  50.Which of the following metals are obtained by electrolysis of their chlorides in molten state

(i) Na                                          

(ii)Mg

(iii) Ca                                        

(iv)Cu

(a) (i) and (ii)                                      

(b) (i), (ii) and (iii)

(c) (ii), (iii) and (iv)                           

(d) (i), (ii) and (iv)

Correct answer- (b)

 

 

  51     Metal refined by an electrolytic process is

(a) Na                                         

(b)Mg

(c) Ca                                          

(d)Cu

Correct answer- (d)

 

 

    52. Which one of the following four metals would be displaced by other three from its salt solution

(a) Ag                                         

(b)Mg

(c) Hg                                         

(d)Cu

Correct answer- (a)

Explanation – Silver is less reactive than the other three metals.

 

  53     During electrolytic refining of metal, metal

(a)  Deposits on cathode          

(b) Deposits on anode

(c)  Deposits on anode as well as cathode                                       

(d) Remains in the solution

Correct answer- (a)

Explanation – Metals are electro positive so they deposit on cathode (-ve).

 

  54     In amalgam a metal is dissolved in

(a) Ag                                         

(b)Mg

(c) Hg                                         

(d)Cu

Correct answer- (c)

 

 

 55 Generally, alloys are a homogeneous mixture of a metal with a metal or nonmetal. Which among the following alloys contain non-metal?

(a) Amalgam                             

(b)Bronze

(c) Steel                                               

(d)Brass

Correct answer- (c)

 

 

  56.Mostly, non-metals are non-conductors of electricity. Which of the following non-metals is it a good conductor of electricity?

(a)Fullerene                     

(b)Graphite

(c) Sulphur                                

(d)Diamond

Correct answer- (b)

 

 

  57     Generally, non-metals are not lustrous. The non-metal having lustre is

(a) Oxygen                                  

(b)Bromine

(c) Sulphur                                

(d)Iodine

Correct answer- (d)

 

Class 10 science chapter 3 fill in the blanks

Here you are provided with an important fill in the blanks of Class 10 Science Chapter 3 which are also very useful in the context of a new pattern of CBSE Class Board Exams 2021-22. You can prepare Multiple Choice Questions using following fill in the blanks yourself.

Metals and Non- Metals  fill in the blanks

 

1. Unwanted material with ore is called ......................


2. Highly reactive metals are also used as ................... agents.


3. In electrolytic refining, impure metal we use as .....................


4. The valency of sulphur in H2S is .....................


5. An element having electronic configuration 2, 8, 1 is .....................reactive than the one having electronic configuration 2, 8, 3.


6. Magnesium liberates ................... gas on reacting with boiling water.


7. Forth Floatation process is used for the concentration of .................. ores.

 

8. The minerals from which metals are produced economically are called.......................


9. Mostly the ..................... are sonorous.


10. An example of a metal that can be cut with a knife is.....................

 

11. The processes involved in the production of a metal from its ore collectively are known as.....................


12. The process of depositing a layer of zinc on objects made of iron is known as....................


13. The method of removing volatile matter from ores is known as.................


14. The white powder formed when magnesium ribbon burns in oxygen is......................


15. The rocky material found with ores is known as...............

 

16. Conversion of a sulphide ore into an oxide by heating in excess of air is called....................


17. Formation of a thick layer of oxide on the surface of aluminium is called.....................


19. Sulphide ores are concentrated by the ......................... process.


20. Bronze is an alloy of copper and.........................


21. An alloy of lead and tin is called...........................


22. Element which reacts readily with cold water is.........................


23. Most metals have ........................  melting points.


24. A metal that reacts with steam to form hydrogen gas is.....................


25. Steel is an alloy of iron and.........................


26. Calcium is ...................... reactive metal than sodium.


27. Zinc displaces copper from a solution of Cu2+ion but ...................... does not.

 

28...................is the most abundant metal in the earth’s crust.


29. Stainless steel contains …..... and.....................


30. Solder is an alloy of .............................. and......................


31. Constituents of brass are .......................and.......................


32. Electromagnets are used to concentrate .........................ores.


33. with metals.......................... acid does not produce hydrogen.


34. Most abundant non-metal in the earth’s crust is.........................


35.............................. is the best conductor of heat.


36. An alloy .............................. is used in aircraft.


37.............................. is the only metal liquid at room temperature.


38. Sodium amalgam is used as a ..............................  in a laboratory.


39. The main ore of mercury is...............................


40. Today about .............................. metal are known to us.


41. On hammering change of metal into thin sheets, is called.............


42......................... is the poorest conductor of heat.


43......................... are the good conductors of electricity.


44. The second most abundant metal in the earth’s crust is.........................


45. Iron is obtained by the ..............................  of its oxide-ores.


46.............................. reduction is used to obtain sodium and potassium.


47. Non-metals form .............................. and neutral oxides.


48. ZnO is an .............................. oxide.


49.............................. is used in the reduction of metal oxides.


50. By the action of dilute acid on metals, .............................. is produced.


51. Hardest substance diamond is a ...............................


52. Metals are .............................. of heat and electricity.


53. School bells are made of metals because they are ...............................


54. Oxides of non-metals are .............................. in water.


55. Sodium and .............................. react vigorously with oxygen.


56. Potassium and sodium react violently with .............................. water.


57. Aqua regia is a mixture of concentrated hydrochloric acid and concentrated ..............................  acid. 


58. Zinc is .............................. reactive than iron.


59. Metals have ..................., ................. and  ................... electrons in their outermost shell.


60. The number of electrons in Na+ is...............................


61. Melting and boiling points of ionic compounds are comparatively...............................


62. Solid NaCI is .............................. conductor of electricity.


63. Gold, silver and ..............................  are found in a free state.


64. Oxygen (atomic number 8) requires .............................. electrons to complete the octet.


65. Zinc oxide is heated with .............................. to reduce into zinc.


66……………..are harder than pure metal.


67. A flux is either an ………….or…………oxide.


68. Purity of gold is expressed in……………….


69……………..doesn’t get rusted generally.


70. Amalgam is the alloy in which ……….acts as one of the constituents.



I hope this article is very helpful and you can secure good marks in your Board exams. 

Related Topics

you can download MCQ Questions for Class 10 Science Chemistry Chapter 3


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