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



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