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Chemical Process

Chemical Process
__________ of quicklime produces slaked lime.

Dehydration
None of these
Hydration
Hydrogenation

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Chemical Process
__________ process is used for the commercial production of nitric acid by the catalytic oxidation of ammonia.

Ostwald's
Solvay
None of these
Haber's

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Chemical Process
__________ is used as a flux in the smelting of copper ore like chalcopyrite.

Coke breeze
Lime powder
Silica/quartz
Dolomite

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Chemical Process
The combustion reaction, C + O₂ = CO₂, is

Exothermic
Autocatalytic
Endothermic
None of these

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Chemical Process
Which of the following is an ore of iron?

Chalcopyrite
Galena
Bauxite
Hematite

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Chemical Process
Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.

Mangnese
Arsenic
Chromium
Copper

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