(a) Write any four uses of Calcium Hydroxide.(b) Give chemical equatio

1.	(a) Write any four uses of Calcium Hydroxide.(b) Give chemical equation of the reaction of caustic soda with1. ammonium chloride, and 2. carbon dioxide
Answer» (a) (i) It is used in the building material in the form of mortar. (ii) It is used in the manufacture of bleaching powder. (iii) It is used in glass making and the purification of sugar. (iv) It is used to absorbed acidic gases. (b) 1. NH₄Cl + NaOH → NaCl + NH₄OH 2. 2NaOH + CO₂ → Na₂CO₃ + H₂O

(a) Write any four uses of Calcium Hydroxide.(b) Give chemical equation of the reaction of caustic soda with1. ammonium chloride, and 2. carbon dioxide

Answer»

(a)

(i) It is used in the building material in the form of mortar.

(ii) It is used in the manufacture of bleaching powder.

(iii) It is used in glass making and the purification of sugar.

(iv) It is used to absorbed acidic gases.

(b)

1. NH₄Cl + NaOH → NaCl + NH₄OH

2. 2NaOH + CO₂ → Na₂CO₃ + H₂O