Home ยป The chemical formula of Gypsum is Acids Bases and Salts MCQs The chemical formula of Gypsum is December 28, 2021 11 Views Q. The chemical formula of Gypsum is CaSO4.2H2OCuSO4.5H2OCoCl4.6H2OSnCl2.2H2O Answer: CaSO4.2H2O
During the preparation of hydrogen chloride gas on a humid day, the gas is usually passed through the guard tube containing calcium chloride. The role of calcium chloride taken in the guard tube is to
Sodium hydrogen carbonate when added to acetic acid evolves a gas. Which of the following statements are true about the gas evolved?