1. Which method can be used to remove temporary hardness but not permanent hardness from a sample of water? A. Washing soda B. Ion-Exchange C. Boiling
1. Which method can be used to remove temporary hardness but not permanent hardness from a sample of water? A. Washing soda B. Ion-Exchange C. Boiling
Chapter80: Crystallization: Purification Of Solids
Section: Chapter Questions
Problem 1P
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1. Which method can be used to remove temporary hardness but not permanent hardness from a sample of water?
A. Washing soda
B. Ion-Exchange
C. Boiling
2. What can be used to identify whether a sample of water is hard or soft?
A. Detergent solution
B. Soap Solution
C. Bromine water
D. Option 4
3. Which of the following is not a unit of hardness?
A. Parts per million
B. Degree centigrade
C. Degree clarke
D. Degree French
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