A mixture which has substances in fixed ratio throughout is a
Matter is composed of
A substance that is constant in composition be weight of different elements is
Atoms are the building blocks of
Properties that distinguish a substance from other but does not tell about its reaction ability will be a
Chemistry is the study of:
A substance that is composed of more than one substances but not in fixed ratio is
A sample of pure matter is also called
Physical chemistry is the
Boiling point of a liquid is a
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