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Chemistry

Chemistry
The strongest acid of the following is

P-chlorophenol
M-nitrophenol
P-nitrophenol
O-nitrophenol

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Chemistry
Which of the following is used as a preservative to protect processed food?

Sodium sulphate
BHT
Sodium metabisulphite
Saccharin

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Chemistry
The non-metal found in the liquid state is

Nitrogen
Fluorine
Chlorine
Bromine

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Chemistry
Helium is added to the oxygen supply of deep sea divers because it is

Less soluble in blood than nitrogen at high pressure
Lighter than nitrogen
Less poisonous than nitrogen
Readily miscible with oxygen

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

Surface tension
Cohesion
Osmosis
Viscosity

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Chemistry
Aluminium salt commonly used to stop bleeding is

Potash alum
Aluminium sulphate
Aluminium Chloride
Aluminium nitrate

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