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Chemistry-

General

Easy

Question

Alumino–thermic process is used for the extraction of metals, whose oxides are

(a) Fusible
Not easily reduced by carbon
(c) Not easily reduced by hydrogen
Strongly basic

The correct answer is: Not easily reduced by carbon

Alumino thermite process involves reduction of oxides such as $F e subscript 2 end subscript O subscript 3 end subscript comma M n subscript 3 end subscript O subscript 4 end subscript comma C r subscript 2 end subscript O subscript 3 end subscript$ etc. to metals with aluminum. $C r subscript 2 end subscript O subscript 3 end subscript plus 2 A l rightwards arrow A l subscript 2 end subscript O subscript 3 end subscript plus 2 C r capital delta H equals negative text ve end text$

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