[amp_mcq option1=”Calcium sulphide” option2=”Calcium carbide” option3=”Calcium carbonate” option4=”Calcium chloride” correct=”option1″]
The correct answer is: A. Calcium sulphide
Calcium sulphide is a chemical compound with the formula CaS. It is a white, water-soluble solid that is used as a fertilizer, a pesticide, and a ripening agent for mangoes.
Calcium carbide is a chemical compound with the formula CaC2. It is a white, solid that is used to produce acetylene gas.
Calcium carbonate is a chemical compound with the formula CaCO3. It is a white, solid that is used as a building material, a filler, and an antacid.
Calcium chloride is a chemical compound with the formula CaCl2. It is a white, solid that is used as a de-icing agent, a water softener, and a fertilizer.
Calcium sulphide is the only option that is used to ripen mangoes.