Chemistry, asked by sangeetakandwal4931, 6 months ago

What do you observe when :
(a) Blue vitriol is heated ?
(b) Washing soda is exposed to air ?
(c) Blue litmus solution is added to water ?​

Answers

Answered by vedanithya123
2

Answer:

Blue vitriol is blue in colour as it contains 5 molecules of water of crystallisation (CuSO4. H2O). When it is heated, it losses water of crystallisation and becomes anhydrous (CuSO4) which is grey-white in colour.

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