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Chemistry

Chemistry
How many electrons in a Hydrogen atom

Three
One
Two
Four

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Chemistry
Which one of the following species has the highest bond order, shortest bond length and maximum bond strength

O2
O-2
O+2
O-22

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Chemistry
The ‘Green House effect’ is produced due to the presence of excess amount of

Carbon monoxide
Sulphur dioxide
Methane
Nitrogen dioxide

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Chemistry
Photo-oxidation process is initiated by

Heat
Light
Oxygen
Catalyst

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Chemistry
The main component of liquid bleach is:

Hydrochloric acid
Sodium hypochlorite
Sodium chloride
Sodium hypochlorate

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Chemistry
Vinegar is an aqueous solution of

Acetic acid
Hydrochloric acid
Citric acid
Oxalic acid

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