Multiple choice

Which among the following are considered as compounds? I. Red copper turnings II. Blue crystals of copper sulphate III. Greyish iron nails IV. Green crystals of ferrous sulphate

  1. I and II

  2. III and IV

  3. I and III

  4. II and IV

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

Substances that can be split into two or more simpler substances by a chemical means. Copper sulphate and ferrous sulphate are called compounds.