[Case: Seawater/common salt/rock salt as raw material for chemicals of daily use.] Define water of crystallisation. Give two examples of salts that have water of crystallisation.
Water of crystallisation
Usually 1 marks a paper · mostly MCQs and case-based questions · asked in 2 of the last papers
Notes are being written
The board questions below are real and complete — they come from the CBSE papers themselves. The written notes for this topic are still being prepared.
Board questions on this topic
2 from the CBSE papers we hold — the exact wording the board used.
Consider the following compounds: FeSO_4 ; CuSO_4 ; CaSO_4 ; Na_2CO_3. The compound having maximum number of water of crystallisation in its crystalline form in one molecule is:
- (a) FeSO_4
- (b) CuSO_4
- (c) CaSO_4
- (d) Na_2CO_3