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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…
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
(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 2024 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.