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Chemistry

Chemistry
The element absorbed both in cation and anion form is

Nitrogen
Calcium
Sulphur
Phosphorus

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Chemistry
Sodium is produced by the electrolysis of

Molten sodium carbonate
Aqueous brine solution
Molten sodium chloride
Its cyanide complex

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Chemistry
Which of the following fibres catches fire least ?

Terricot
Cotton
Rayon
Nylon

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Chemistry
Green house effect is accelerated by

Deforestation
Rapid industrialization
All of these
Increased transportation activity

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Chemistry
The purest form of water is

Ground water
Rain water
Distilled water
Tap water

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Chemistry
The product, 9-nitroanthracene is obtained from anthracene by the action of

Nitric acid and acetic anhydride
Nitric acid in excess
Nitric acid and acetic acid
Nitric acid and ethyl alcohol

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