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प्रश्न
State one relevant observation for the following:
Anhydrous calcium chloride is exposed to air for some time.
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उत्तर
Anhydrous CaCl2 on exposure to atmosphere form solution.
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संबंधित प्रश्न
Write the chemical name and formula of common salt.
Why is sodium chloride required in our body?
Name three chemicals made from common salt (or sodium chloride).
Write the names, formulae and colours of any two hydrated salts.
What is a ‘salt’?
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
Define the following term:
Hygroscopy
Distinguish by a chemical test sodium hydroxide solution and ammonium hydroxide solution.
A salt that is formed by the complete neutralization of an acid and a base is called ______ salt.
What are hygroscopic substances?
