Select correct statement:

Name: Select correct statement:
Uploaded: 2021-01-01T18:41:02.000Z
Duration: 2 min
Description: Select correct statement:

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Class 12 Chemistry Metallurgy General Principles and Processes of Isolation of Elements

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150

Select correct statement:

(a)

The decomposition of an oxide into oxygen and metal vapour increases

(b)

Decomposition of an oxide is an endothermic change

(c)

To make

Δ G^{o}

negative, temperature should be high enough so that

T Δ S^{o} > Δ H^{o}

(d)

All are correct statements

Correct answer: (d)

Solution: thus, all statement are correct.

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150

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Related Questions

A mixture of haematite, coke and limestone, on heating in blast furnace, gives molten iron metal. This is known as:

In blast furnace, iron oxide is reduced by

Metals which can be extracted by smelting process is/are:

Smelting involves reduction of metal oxide with:

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Self reduction process: The sulphide ores of less electropositive metals like Hg, Pb, Cu etc., are heated in air so asto convert part of the ore into oxide or sulphate which then reacts with the remaining sulphide ore to give the metal.

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The material mixed before ore is subjected for smelting in the extraction of iron are :

Stainless steel does not rust because :

In which of the following pair of metals, both are commercially extracted from their respective ores by carbon reduction method?