Computer · Water Supply Engineering
Which of the following options causes temporary hardness of water?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Chlorides of calcium or magnesium
- 2Sulphates of calcium or magnesium
- 3Carbonates of calcium or magnesium✓
- 4Nitrates of calcium or magnesium
Correct answer
Carbonates of calcium or magnesium
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