In any chemical reaction, the total mass of the products is always equal to that of the reactants. This is statement of the law of

a

definite proportion

b

conservation of matter

c

multiple proportions

d

reciprocal proportions

e

constant composition

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Correct Option
b

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Discussions (2)

OseisKate
3 years ago

I don't understand how it's A, i think it's B

OmsgovJamal
2 months ago

It's actually B not A,B is the correct answer

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