1. Potassium nitrate is used for making fireworks and gunpowder.
2. Calcium chloride is used in the extraction of sodium metal by electrolysis
3. Sodium chloride is used as a food additive
4. Calcium sulphate is used in hospitals on people with fractures.
chrispohmomanyi answered the question on October 19, 2017 at 05:38
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October 19, 2017
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