Which one of the following statements about the law of conservation of mass is correct?

Question

TuteeHUB · Accepted Answer

Equal volumes of all gases at same temperature and pressure contain equal numbers of molecules.

TuteeHUB · Answer

A given compound always contains exactly same proportion of elements

TuteeHUB · Answer

When gases combine in a reaction, they do so in a simple ratio by volume, provided all gases are at room temperature.

TuteeHUB · Answer

Matter can neither be created nor destroyed

1.	Which one of the following statements about the law of conservation of mass is correct?
A.	A given compound always contains exactly same proportion of elements
B.	When gases combine in a reaction, they do so in a simple ratio by volume, provided all gases are at room temperature.
C.	Matter can neither be created nor destroyed
D.	Equal volumes of all gases at same temperature and pressure contain equal numbers of molecules.
Answer» D. Equal volumes of all gases at same temperature and pressure contain equal numbers of molecules.

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