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Chemical Process

Chemical Process
__________ is used as a flux in the extraction of iron from iron ore (hametite) in blast furnace.

Quartz
Manganese
Limestone
Bauxite

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Chemical Process
Which of the following is not present in bagasse fibre?

Cellulose
None of these
Lignin
Pentogens

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Chemical Process
Oxygen is separated by distillation from air after its liquefaction. The boiling point of oxygen is about __________ °C.

-218
-183
-83
-196

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Chemical Process
The type of high refractive index glass used in optical instruments is __________ glass.

Flint
None of these
Pyrex
Crookes

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Chemical Process
Hydrolysis of sugar is called

Esterification
None of these
Hydration
Inversion

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Chemical Process
Sizing material is incorporated in paper to

Impart resistance to penetration by liquids
Increase its brightness
Increase its thickness
Increase its flexibility & opacity

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