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Chemistry

Chemistry
Extensively used nitrogenous fertilizer is

Ammonium nitrate
Nitro-lime
Ammonium sulphate
Urea

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Chemistry
Threshold limit value of copper in the atmospheric air is

0.001 mg/m3
5.0 mg/m3
1.0 mg/m3
0.01 mg/m3

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Chemistry
The items amenable to detection by soft x-rays are

lead in bullets
contrabands
narcotics
genuine coins from counterfeit coins

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Chemistry
The most commonly used chemicals in the artificial rainmaking or cloud seeding are

All of these
Dry Ice (Frozen CO2)
Silver Iodide (Ag I)
Sodium Chloride (NaCl)

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Chemistry
Which one of the following forms of phosphorus is most reactive?

Violet phosphorus
Black phosphorus
White phosphorus
Red phosphorus

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Chemistry
Chloroform can be used as

Antimalarial
Analgesic
Anaesthetic
Antibiotic

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MORE MCQ ON Chemistry

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