Class 12 Chemistry Metallurgy General Principles and Processes of Isolation of Elements
Assertion :Coke and flux are used in smelting.
Reason :The phenomenon in which ore is mixed with suitable flux and coke is heated to fusion is known as smelting.
(a)
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
(b)
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
(c)
Assertion is correct but Reason is incorrect
(d)
Both Assertion and Reason are incorrect
Correct answer: (b) 
Solution: Both assertion and reason are true but reason is not the correct explanation of assertion. Non fusible mass present in ore in mixing with suitable flux are fused which are then reduced by coke to give free metal.

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general principles and processes of isolation of elements
metallurgical operations
metallurg
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general principles and processes of isolation of elements
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