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Chemistry

Chemistry
Select the one which is not a mixture :

Gasoline
Distilled water
Air
LPG

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Chemistry
Heavy metal pollution of water is caused by:

Acid Plants
Paints
Wood burning
Domestic sewage

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Chemistry
The value of Avogadro Number is

6.023 × 1022
6.023 × 1024
6.023 × 1023
6.023 × 1025

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Chemistry
Which is not an anasthetic agent in surgical operations?

Ether
Acetone
Chloroform
Nitrous oxide

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Chemistry
The tip of the match-stick contains

Phosphorus pentoxide
White phosphorus
Phosphorus trichloride
Red phosphorus

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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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MORE MCQ ON Chemistry

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