Question

In order to verify the law of conservation of mass, we
carry out chemical reactions in a closed container, so that
(a) gaseous products do not escape
(b) heat transfer does not occur
(c) reactants do not mix with the products
(d) None of the above​

Answer 1

Answer:

Option a

Explanation:

According to the law of conservation of mass, mass of products must be equal to the mass of reactants. So to abide by this law, chemical reactions are carried out in a closed container.

Answer 2

Answer:

(a) gaseous products do not escape

Explanation:

In order to verify the law of conservation of mass, we carry out chemical reactions in a closed container, so that gaseous products do not escape. According to the law, mass of products must be equal to the mass of reactants.