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Chemistry

Chemistry
White phosphorus is generally kept under

Alcohol
Glycerine
Water
Kerosene oil

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Chemistry
The gas used for filling weather balloons is

Nitrogen
Helium
Hydrogen
Air

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Chemistry
The orientation of an atomic orbital is governed by

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

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Chemistry
The reaction intermediate formed during the preparation of diethylether from ethanol by treatment with H2SO4 is

Carbocation
Carbanion
Carbene
Free radical

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Chemistry
White coal is

Uranium
None of these
Hydro-electricity
Diamond

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Chemistry
Which one of the following is not a cause for present global warming and climate change ?

Methane emission
CFC emission
Carbondioxide emission
Deforstation

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