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Chemistry

Chemistry
The length of double bond is _______ than single bond

Shorter
Of same lenght
None of these
Longer

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Chemistry
The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas

Will be reduced to half
Will increase four-fold
Will be doubled
Remains unchanged

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Chemistry
Two electrons in an orbital are differentiated by which of the following ?

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

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Chemistry
Which one of the following does not contain Silver ?

Horn Silver
German Silver
Lunar Caustic
Ruby Silver

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Chemistry
The name of plastic polymer from which combs, toys, bowls etc., can be made, is

Metallic polysulphides
Polyurethane
Polystyrene
Teflon

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Chemistry
What is a common name for the substance which irritates lachrymal glands ?

Noble Gas
Tear Gas
Anaesthetic Gas
Laughing Gas

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