According to the law of conservation of mass, the mass of a substance should during a chemical reaction.

a) multiply

b) not change

c) disappear

d) grow

B is the correct answer.

Explanation:

Law of conservation of mass states that the mass of an object never changes with time. This means that during a chemical reaction mass of reactants always remains the same even after the formation of products.

We can conclude that the law of conservation of matter states that during a chemical reaction, the amount of matter does not change .

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