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Science · 2026 · 1 mark
CBSE 2026 · Region 2 · Set 1 · Q19
When ferrous sulphate crystals are heated in a test tube, we observe that:
When ferrous sulphate crystals are heated in a test tube, we observe that:
Official answer
(C)
The green colour of the salt fades and a gas with the smell of burning sulphur is evolved.
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CBSE Class 10 Science past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.