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Saturday, April 30, 2022

NCERT Activity 4.3 Class 10 Science Explanation with conclusion

If you are looking for NCERT Science Class 10 Chapter 4 Activity solutions, then you are in the right place. In this post, you will find NCERT Activity 4.3 Class 10 Science Explanation with conclusion.


NCERT Activity 4.3 Class 10 Science Explanation with conclusion

You are suggested to study NCERT activity 4.3 class 10 science explanation with conclusion so that you can attempt questions based on the activity 4.3 class 10 science.

 
Chapter 4 - Carbon and its Compounds

 

 

Activity 4.3 Class 10 Science

Caution: This activity needs the teacher’s assistance.

· Take some carbon compounds (naphthalene, camphor, alcohol) one by one on a spatula and burn them.

·Observe the nature of the flame and note whether smoke is produced.

·  Place a metal plate above the flame. Is there a deposition on the plate in case of any of the compounds?

NCERT Activity 4.3 Class 10 Science Explanation with conclusion


Discussion: We observe that camphor and alcohol burn with a blue luminous flame and there is no sooty deposit on the metal plate. So this indicates that camphor and alcohol are saturated compounds.

        On the other hand, naphthalene burns with a yellow flame with lots of black smoke. Therefore, naphthalene is an unsaturated compound.


Conclusion: This activity shows that saturated compounds burn with a luminous blue flame white unsaturated compounds burn with a yellow sooty flame. 


Related Topics - 

1. Next  activity - Activity 4.4 Class 10 Science

2. Previous activity - Activity 4.2 Class 10 Science

3. Solution of Chapter 4 Carbon and its Compounds

4. MCQ Questions of Chapter 4

5. Extra Questions of Chapter 4

6. Solutions of Class 10 Science all chapters