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Chemistry

Chemistry
Citric acid is present in free form in

Milk
Tamarind
Lemon
Apple

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Chemistry
Ozone layer is present in

Stratosphere
Troposphere
Exosphere
Ionosphere

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Chemistry
The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3

2
zero
4
5

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Chemistry
Ionisation energy of nitrogen is greater than that of oxygen because nitrogen has

Smaller atomic radius
Stable half filled 2p sub level
High nuclear charge
High bond dissociation energy

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Chemistry
The Bhopal gas tragedy was caused by the gas

Methyl Iso Cyanide
Methyl chloride
Methyl Cyanide
Methyl Iso Cyanate

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Chemistry
Activated Charcoal is used to remove colouring matter from pure substances by

Bleaching
Oxidation
Adsorption
Reduction

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MORE MCQ ON Chemistry

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