Multiple choice

Which of the following statements is false?

  1. An electron is a sub atomic particle.

  2. Molecules are formed by chemical combinations of atoms.

  3. Alloy is a compound.

  4. Different elements are composed of the same atoms.

  5. The constituents of a compound do not retain their individual properties.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A mixture is a physical combination of compounds and is not pure.