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Chemistry

Chemistry
The 'solid waste' is also known as

Scrubber
Sedge
Sludge
Toxic waste

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Chemistry
Which of the following could be used as fuel in propellant or rockets ?

Liquid Hydrogen + Liquid Nitrogen
Liquid Oxygen + Liquid Argon
Liquid Nitrogen + Liquid Oxygen
Liquid Hydrogen + Liquid Oxygen

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Chemistry
What is the atomic number of mercury

80
41
63
32

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Chemistry
The gas liberated in the Bhopal gas tragedy was:

Ethylene
Methyl isocynate
Acetylene
Pheynl isocynate

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Chemistry
Normal rainwater has a pH level of

3.2
5.6
8.3
6.3

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Chemistry
Among the following, which is always found in free-state in nature?

Gold
Silver
Copper
Sodium

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MORE MCQ ON Chemistry

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