More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
NAT II Physical Science Chemistry MCQs With Answers
Question # 1
If the solvent is inflammable for heating purpose we use
Choose an answer
Ice bath
Water bath
Wire gauze
Thermostat
Previous
Skip
Next
Question # 2
During the folding of filter paper the apex form angle of about
Choose an answer
80°
60°
180°
90°
Previous
Skip
Next
Question # 3
DDT is formed from
Choose an answer
Benzene and Chlorobenzene
Chloral and Chlorobenzene
Chloral and benzene
Chlorobenzene and chlorine
Previous
Skip
Next
Question # 4
The digestion of fats in the intestines is aided by
Choose an answer
Diffusion
Protection
Peptization
Emulsification
Previous
Skip
Next
Question # 5
In which molecule carbon atom is sp
2
hybridized
Choose an answer
CH
4
C2H
4
C
2
H
2
None of the above
Previous
Skip
Next
Question # 6
Mild oxidation of glycerol with H
2
O
2
/FeSO
4 gives
Choose an answer
Glyceraldehyde
Dihydroxy acetone
Glycerose
None
Previous
Skip
Next
Question # 7
In Friedal-Craft's alkylation besides AlCl
3
the other reactants are
Choose an answer
C6H6 + NH3
C6H6 + CH4
C6H6 + CH3Cl
C6H6 + CH3COCl
Previous
Skip
Next
Question # 8
Which is true for an element R present in group 13 of the periodic table?
Choose an answer
It is a gas at room temperature
It has oxidation state of +4
It forms R
2
O
3
It forms RX
2
Previous
Skip
Next
Question # 9
ΔH
neutralisation
is always
Choose an answer
positive
Negative
Zero
Positive or negative
Previous
Skip
Next
Question # 10
Bleaching action of bleaching powder is due to the liberation of
Choose an answer
O
2
OCl
-
Cl
2
Cl
-
Previous
Skip
Next
Question # 11
Ethyl alcohol is industrially prepare from ethylene by
Choose an answer
Permanganate oxidation
Catalytic reduction
Absorbing in H
2
SO
4
followed by hydrolysis
Fermentation
Previous
Skip
Next
Question # 12
Natural fertilizer provides phosphorus to plants in the form of P
2
O
5
Choose an answer
1.2 kg
2.2 kg
3.2 kg
4 kg
Previous
Skip
Next
Question # 13
Ethanol containing some methanol is called
Choose an answer
Absolute spirit
Rectified spirit
Power alcohol
Methylated spirit
Previous
Skip
Next
Question # 14
The acid used in lead storage cells is
Choose an answer
Phosphoric acid
Nitric acid
Sulphuric acid
Hydrochloric acid
Previous
Skip
Next
Question # 15
The order of reactivity of halogens in aliphatic substitution reactions is
Choose an answer
Br2 > C12 > F2
Cl2 > Br2 > F2
Cl2 C12 > Br2
F2 > Br2 > C12
Previous
Skip
Next
Question # 16
Evaporation of water is
Choose an answer
An exothermic change
an endothermic change
A process where no heat changes occur
A process accompanied by chemical reaction.
Previous
Skip
Next
Back