Name three compounds of calcium which are used in day-to-day life and write one important use of each of them. [3 MARKS]

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Solution

Each point: 1 Mark

The three compounds of calcium and their uses are:

1. Slaked lime (Calcium hydroxide)– Used for the manufacture of bleaching powder.

2. Bleaching powder (Calcium oxychloride)– Used as bleaching agent in laundry.

3. Plaster of Paris (Calcium sulphate hemihydrate)– Used to plaster the fractured bones.

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