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Chemistry

Chemistry
A pungent smell often present near the urinals is due to

Sulphur-di- oxide
Chlorine
Ammonia
Urea

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Chemistry
Quartz is a crystalline form of

Alumina
Glass
Limestone
Silica

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Chemistry
Except mercury which is the other metal that is liquid at standard conditions for temperature and pressure

Barium
Bromine
Magnesium
Lead

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Chemistry
In silvery paints, the main constituent present is

Silver powder
White lead
Lead powder
Aluminium powder

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Chemistry
Which one of the following is used as an anti-freeze for the automobile engines ?

Propyl alcohol
Methanol
Ethanol
Ethylene glycol

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Chemistry
Which of the following is used to remove rust stains on cloth?

Petrol
Kerosene
Oxalic acid solution
Lime

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