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Chemistry

Chemistry
The common refrigerant in domestic refrigerator is

Nitrogen
Neon
Freon
Oxygen

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Chemistry
Iron rusts quickly in

Sea water
Distilled water
River water
Rain water

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Chemistry
The nuclear particles which are assumed to hold the nucleons together are

neutrons
electrons
positrons
mesons

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Chemistry
Soldering of two metals is possible because of the property of :

Cohesion
Osmosis
Viscosity
Surface tension

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Chemistry
Sour taste of lemon is due to the presence of which of the following ?

Oxalic acid
Acetic acid
Formic acid
Citric acid

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Chemistry
Commonly used antiseptic 'Dettol' is a mixture of

Phenol + terepineol
O-chlorophenoxylenol + terepineol
O-cresol + terepineol
Chloroxylenol + terepineol

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