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Chemistry

Chemistry
Which metal does not undergo corrosion due to the formation of oxide layer?

Aluminium
Zinc
Copper
Iron

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Chemistry
The main source of Naphthalene is

Camphor
Diesel
Charcoal
Coal-tar

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Chemistry
The orientation of an atomic orbital is governed by

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

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Chemistry
Milk tastes sour when it is left in open for some time. This happens due to the formation of

Citric acid
Lactic acid
Acetic acid
Carbonic acid

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Chemistry
Liquid Nitrogen boils at

77 kelvin
54 kelvin
97 Kelvin
82 Kelvin

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Chemistry
Which one of the following contains maximum percentage of carbon ?

Wrought iron
High speed steel
Stainless steel
Cast iron

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