Solved Chemistry MCQS
Isopropyl alcohol on oxidation forms
Ether
Acetone
Acetaldehyde
Ethylene
Which of the following does not reflect the periodicity of elements?
Bonding begaviour
Ionisation potential
Neutron/proton ratio
Electronegativity
Which one is not a pollutant normally?
Carbon monoxide
Sulphur dioxide
Hydrocarbons
Carbon dioxide
The last orbit of argon would have electrons
6
18
8
2
Which is not a a colligative property?
Osmotic pressure
Depression of freezing point
Elevation of boiling point
Lowering of vapour pressure
The most reactive compound for electrophilic nitration will be
Benzoic acid
Benzyl chloride
Chlorobenzene
Nitrobenzene
Sodium metal cannot be stored under
Benzene
Kerosene oil
Toluene
Alcohol
The number of atoms in 0.004 g of magnesium is close to
6.02 x 1023
1020
24
2 x 1020
Which inorganic precipitate acts as semipermeabale membrane?
Calcium sulphate
Barium oxalate
Nickel phosphate
Copper ferrocyanide
Alum is not used
In purification of water
In tanning of leather
As an insecticide
As a mordant in dyeing
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