1. what is hard water.
2. Mention four sources of water.
3. write down the chemical formula o...
Chemistry, 19.08.2021 23:30, multezemaleme
1. what is hard water.
2. Mention four sources of water.
3. write down the chemical formula of water.
4. What is purification of water.
5. Mention two importance of purification of water.
6. Mention 4 method used ot purify water. 7. Mention 4 impurities found in water.
8. Explain the term contaminated of water.
9. State two physical properties of water. 10. mention the names of of the elements that causes hardness in water.
Answers: 1
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