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Chemistry

Chemistry
Which of the following elements is not present in stainless steel?

Tungsten
Iron
Chromium
Nickel

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Chemistry
The molecular mass of a gas is

Equal to its vapour pressure
Not related to its vapour pressure
Twice its vapour pressure
Half its vapour pressure

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Chemistry
Gobar gas mainly contains

Carbon monoxide
Methane
Hydrogen sulphide
Carbon dioxide

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Chemistry
Bhopal gas tragedy is associated with leakage of

Nitrogen dioxide
Carbon dioxide
Sulphur dioxide
Methyl isocyanate

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Chemistry
Stalactites and Stalagmites form due to the precipitation of :

MgCl2
CaCl2
CaCO3
MgCO3

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Chemistry
If all bullets could not be removed from gun shot injury of a man, it may cause poisoning by

Lead
Iron
Arsenic
Mercury

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