Question

4. Calamine solution contains (a) sodium hydrogen carbonate (c) hydrochloric acid (b) magnesium hydroxide (d) zinc hydroxide


please give the answer of both​

Answer 1

1.

• From the given question the correct option is d.

• As we know that the calamine solution is basic in nature due to the presence of zinc carbonate.

• The calamine solution contains oxides such as ferric, carbonate, and zinc.

• The correct answer is zinc hydroxide.

2.

• From the given question the correct option is d.

• As we know that the amphoteric oxides are acidic as well as basic in nature.

• It produces water and salt.

• The correct answer is aluminum oxide.