Statement-I: In blast furnace inner sur lining of refractory materials
Statement-2: These refractory materials are acidic and basic in nature generally.

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Statement- 1 is True, Statement-2 is True; Statement-2 is a correct explanation for Statement-1.

Statement- 1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation for Statement-1.

Statement-1 is True, Statement- 2 is False.

Statement-1 is False, Statement-2 is True.

answer is B.

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Detailed Solution

Refractory materials are used to line the inside of blast furnaces. Because Refractory materials are used to line the inside of blast furnaces. The refractory lining of a contemporary blast furnace (BF) shields the furnace shell from the high temperatures and abrasive elements inside the furnace. The refractory lining is chilled to increase protection against excess heat discharge that might ruin the lining.

Hence the correct option is B

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