Question

i] Washing-soda become coated with a white powder when left exposed to the atmosphere.
ii] In the expression anhydrous copper sulphate, what is meant by "anhydrous".
iii) Why is fused calcium chloride or conc. sulphuric acid used in a desiccator.
Complete the following: The solubility of a gas at constant pressure may be increased by decreasing​

Answer 1

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