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Chemistry

Chemistry
The major constituent of air is

nitrogen
carbon dioxide
hydrogen
oxygen

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Chemistry
The metal present in vitamin B12 is

Mo
Fe
Co
Mg

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Chemistry
The most pure form of Carbon among the options is

Anthracite
Graphite
Lampblack
Wood Charcoal

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Chemistry
The common name for the compound having formal NaOH is

Sodium hydroxide
Caustic potash
Caustic soda
Soda ash

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Chemistry
The orientation of an atomic orbital is governed by

Principal quantum number
Spin quantum number
Azimuthal quantum number
Magnetic quantum number

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Chemistry
The increasing abundance of green house gases in atmosphere has led to the following effect except

Depletion of ozone layer in the stratosphere
Oxygen fertilization effect
Carbon dioxide ferilization effect
Global warming

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MORE MCQ ON Chemistry

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