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Chemistry

Chemistry
Which of the following is also used as a Bio fertilizer?

Ammonia
None of these
Uric Acid
Urea

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Chemistry
Ultraviolet radiation striking the earth is due to the depletion of

Ozone
Carbon monoxide
Oxygen
Carbon dioxide

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Chemistry
The chemical used in embalming biological materials is

Ethylene glycol
Gaseous formaldehyde
Formaldehyde in water
Formaldehyde in methanol

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Chemistry
What is a Bakelite ?

Polymer
Solution
Acid
Base

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Chemistry
White lung cancer' is caused by

Silica
Asbestos
Textiles
Paper

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Chemistry
Which one is a sublime substance?

Potassium Iodide
Sugar
Table salt
Iodine

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