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Science · 2025 · 1 mark
CBSE 2025 · Region 6 · Set 1 · Q7
The water of crystallization is present in (i) Bleaching Powder (ii) Plaster of Paris (iii) Washing Soda (iv) Baking Soda
The water of crystallization is present in
(i)
Bleaching Powder
(ii)
Plaster of Paris
(iii)
Washing Soda
(iv)
Baking Soda
Official answer
(B)
(ii) and (iii)
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CBSE Class 10 Science past-paper question from the 2025 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.