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



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