(a) (i) A compound 'X' which is prepared from gypsum has the property of hardening when mixed with proper quantity of water. Identify 'X' and write its chemical formula. (ii) State the difference in chemical composition between baking soda and baking powder.

Question

Aicharya · Accepted Answer

(a) (i) X: Plaster of Paris/Calcium sulphate hemihydrate. CaSO 4 .½H 2 O (ii) Baking Soda – NaHCO 3 /Sodium hydrogen carbonate/ Sodium bicarbonate Baking Powder – A mixture of NaHCO 3 /Baking soda + Tartaric acid/any mild edible acid

(a) (i) A compound 'X' which is prepared from gypsum has the property of hardening when mixed with proper…

Solution