CBSE Class 10 Science
Question 10 of 60
Solved 2022 Term 1 Question Paper CBSE Class 10 Science — Question 10
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Question Question 10
It is important to balance the chemical equations to satisfy the law of conservation of mass. Which of the following statements of the law is incorrect?
- The total mass of the elements present in the reactants is equal to the total mass of the elements present in the products.
- The number of atoms of each element remains the same, before and after a chemical reaction.
- The chemical composition of the reactants is the same before and after the reaction.
- Mass can neither be created nor can it be destroyed in a chemical reaction.
The chemical composition of the reactants is the same before and after the reaction.
Reason — During the reaction, the chemical composition of the reactants change to form new products. Hence, this statement is incorrect.