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Separation of Substances — Science STD 6 — Question

CBSE BoardEnglish MediumSTD 6ScienceSeparation of Substances1 Mark
MCQ
A pure substance is made of:
  • ✓
    Only one kind of atoms or molecules.
  • B
    Two or more kinds of molecules.
  • C
    Mixture of homogeneous substances.
  • D
    All of the above.
✓

Answer

Correct option: A.
Only one kind of atoms or molecules.

A substance is pure if its composition is constant throughout and is made up of only one type of particles i.e. atoms or molecules.

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