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NAT II Physical Science Chemistry MCQs With Answers
Question # 1
Which one of the following compounds does not exist?
Choose an answer
NCl
5
AsF
5
SbCl
5
PF
5
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Question # 2
Aldehydes are produce in atmosphere by
Choose an answer
Oxidation of secondary alcohols
Reduction of alkenes
Reaction of oxygen atoms with hydrocarbons
Reaction of oxygen atoms with ozone.
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Question # 3
Heating a micture of sodium benzoate and soda lime gives
Choose an answer
Benzene
Methane
Sodium benzoate
Calcium benzoate
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Question # 4
Which of the following fluorides of xenon is impossible?
Choose an answer
XeF
2
XeF
3
XeF
4
XeF
6
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Question # 5
Hydrolytic conversion of sucrose into glucose and fructose is known as
Choose an answer
Induction
Inversion
Insertion
Inhibition
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Question # 6
Which of the following fluorides does not exist?
Choose an answer
NF
5
PF
5
AsF
5
SbF
5
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Question # 7
The ratio of close packed atoms to tetrahedral holes in cubic close packing is
Choose an answer
1 : 1
1 : 2
1 : 3
2 : 1
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Question # 8
Phenol is heated with CCl
4
and alkaline KOH when salicylic acid is produced. The reaction is known as
Choose an answer
Frledel-Craft reaction
Riemer-Tiemann's reaction
Rosenmund's reaction
Sommelet reaction
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Question # 9
Which of the following is not present in RNA?
Choose an answer
Uracil
Thymine
Ribose
Phosphate
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Question # 10
Saturated solution of NaCl on heating becomes
Choose an answer
Super saturated
Unsaturated
Remains saturated
None
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Question # 11
Carbon monoxide is pollutant as it
Choose an answer
Inactivates nerves
Inhibits glycolysis
Combines with oxygen
Combines with hemoglobin
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Question # 12
Reaction of ethylamine with chloroform in alcoholic KOH produces
Choose an answer
CH
3
OH
CH
3
NC
C
2
H
5
NC
C
2
H
5
CN
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Question # 13
In the manufacture of iron from haematite, limestone is added to act as.
Choose an answer
Flux
A reducing agent
Slag
An oxidizing agent
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Question # 14
Which one is the property of an ideal solvent?
Choose an answer
Should be expensive
It should react chemically with the solute
Impurities should crystallize along with the solute
Should be safe to use
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Question # 15
The total pressure exerted by a number of non-reacting gases is equal to the sum of partial pressure of the gases under the same conditions is known as
Choose an answer
Boyle's law
Charle's law
Avogadro's law
Dalton's law
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Question # 16
Vitamin A is present in
Choose an answer
Liver
Milk
Green vegetables
All
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