In a chemical substance the elements are always present in definite proportion by mass.

True

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False

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Solution

The correct option is A
True

According to Proust's law of constant proportions, in a chemical substance the elements are always present in definite proportions by mass.

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Similar questions

In a chemical substance the elements are always present in definite proportions by mass.

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In a chemical substance the elements are always present in definite proportions by mass.

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