Extraction of Metals - Result Question 6
####6. Assertion For the extraction of iron, haematite ore is used.
Reason Heamatite is a carbonate ore of iron.
(2019 Main, 9 April II) (a) Only the reason is correct.
(b) Both the assertion and reason are correct explanation for the assertion.
(c) Both the assertion and reason are correct and the reason is the correct explanation for the assertion.
(d) Only the assertion is correct.
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Solution:
- Only assertion is correct and reason is incorrect. Haematite is not a carbonate ore. It is an oxide ore, i.e. $Fe _2 O _3$. Cast iron is extracted chiefly from its oxide ore (haematite) by heating in the presence of coke and limestone in a blast furnace.
