How is temporary hardness be removed?
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why is acetic acid less conductive than hcl?
What is the principle involved in conductometric titration?
Why is ammonia added? Why is that same amount of ammonia added?
which gas is called laughing gas?
If you are given two liquids, which look like water, how can you, by two physical tests, prove which one of them may be water ?
From what raw material is paper manufactured ?
Why are substances like caustic soda and calcium chloride called hygroscopic substances ?
Explain the Hard and Soft water ?
Though the secondary cell can be recharged again and again, still they have a lifetime. Why?
What is chemistry ?
Why is clinical thermometer used in preference to and ordinary Fahrenheit thermometer ?
Explain the Purification of Organic Compounds ?