Multiple choice general knowledge

Chemical name of Plaster of Paris is:

  1. Calcium phosphate

  2. Calcium sulphate

  3. Calcium Chloride

  4. None of above
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Plaster of Paris is calcium sulphate hemihydrate with the formula CaSO4·0.5H2O. It is formed by heating gypsum. Calcium phosphate is found in bones, calcium chloride is a different salt used for de-icing.

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