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Science · 2024 · 1 mark
CBSE 2024 · Region 4 · Set 1 · Q17
Assertion (A) : The extraction of metals from their sulphide ores cannot take place without roasting of the ore.
Reason (R) : Roasting converts sulphide ores directly into metals.
Official answer
From CBSE’s own marking scheme for this paper.
(B)
Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of Assertion (A).
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CBSE Class 10 Science past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.