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CHEMISTRY

Chemistry
Percentage of carbon in steel ranges from

1.5 to 3.0
4.0 to 6.0
0.1 to 1.5
3.0 to 4.0

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Chemistry
Copper is refined by

Electrolysis
Zone refining
Oxidation
Roasting

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Chemistry
Forth floatation process to concentrate the minerals is applicable to

Bauxite
Chalcopyrites
Calamine
Haematite

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Chemistry
Chemical name of Gammaxane is

Aniline
Toluene
Chloro benzene
Benzene hexachloride

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Chemistry
Epsom salt is used

In making tooth paste
In softening water
As purgative
In paper industry

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