What type of reaction is the digestion of food in the body?
Remedial Classes
October 13, 2024
(a) Reduction (b) oxidation (c) Neutralisation (d) electrolysis Explanation : During digestion, complex food molecules like carbohydrates, ...
Sunday, October 13, 2024
Friday, October 11, 2024
What type of chemical reaction is respiration ?
Remedial Classes
October 11, 2024
(a) Oxidation reaction (b) Reduction reaction (c) Combination reaction (d) decomposition reaction Explanation : Respiration is an oxidation...
Wednesday, October 9, 2024
What type of the reaction is CaCO3 → CaO + CO2 ?
Remedial Classes
October 09, 2024
(a) Displacement reaction (b) Decomposition reaction (c) Combination reaction (d) Double displacement reaction Explanation : In this reacti...
Monday, October 7, 2024
Lead nitrate powder taken in a test tube and heated emits brown smoke, is it smoke?
Remedial Classes
October 07, 2024
(a) `O_2` (b) `NO_2` (c) `N_2` (d) `PbO` Explanation: When lead nitrate is heated in a test tube, it decomposes and releases brown fumes. Th...
Saturday, October 5, 2024
A red-brown gas is released along with O2 and lead oxide on heating lead nitrate, it is an example of
Remedial Classes
October 05, 2024
(a) Comnbinatio reaction (b) Oxidation reaction (c) Decomposition reaction (d) Reduction reaction Correct answer - (c) Explanation When ...
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