Question

Name three compounds of calcium which are used in day to day life and write one important use of each of them

Answer 1

Answer:

1) Calcium oxide (quick lime)  

2)Calcium hydroxide (slaked lime)

3) Calcium carbonate or marble (limestone)

Explanation:

1) Calcium oxide (quick lime)  

Its chemical formula is CaO. It is used as a building material. It is also used i the manufacture of dye stuffs.

2)Calcium hydroxide (slaked lime)

Its chemical formula is Ca(OH)2 . It is used in the preparation of mortar, a building material.It is also used as a whitewash due to its disinfectant nature.

3) Calcium carbonate or marble (limestone)

Its chemical formula is CaCO3. It is also used as a building material in the form of marble, used for the extraction of metals such as iron, and it is a constituent of toothpaste also.