Question

h] Give one example of-
2] Drying agent

3] Salt of Magnesium which contribute to hardness of water

4] Combination reaction

5] Acidic radicals​

Answer 1

Answer:

2)Concentrated sulphuric acid (H₂SO4), phosphorus pentoxide (P205),

Explanation:

3)calcium and magnesium salts.

4)hydrogen and chlorine

5)CH₃COO⁻

H₂SO₄