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Chemistry

Chemistry
Which one is the most reactive gaseous element

Bromine
Iodine
Flourine
Chlorine

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Chemistry
The gas which turns into liquid at the lowest temperature among the following is

Helium
Oxygen
Hydrogen
Nitrogen

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Chemistry
Acid rain is caused by the pollution of environment by

Carbon dioxide and Nitrogen
Nitrous oxide and Sulphur dioxide
Ozone and Carbon dioxide
Carbon monoxide and Carbon dioxide

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Chemistry
Haloarenes are more stable than haloalkanes due to

All of them
Inductive effect
Hyper conjugative effect
Resonance effect

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Chemistry
Which one of the following does not contain Silver ?

Lunar Caustic
Horn Silver
German Silver
Ruby Silver

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Chemistry
What happens when a drop of glycerol is added to crushed KMnO4 spread on a paper ?

There is a crackling sound
There is a violent explosion.
There is no reaction.
The paper ignites

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MORE MCQ ON Chemistry

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