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
The treatment of benzene with isobutene in the presence of sulphuric acid give
Choose an answer
isobutyl benzene
tert-Butyl benzene
n- Butyl benzene
no reaction
Previous
Skip
Next
Question # 2
Which of the following units represents largest amount of energy?
Choose an answer
Calorie
Joule
Erg
Electron vol.
Previous
Skip
Next
Question # 3
Which of the following method is most appropriate for the manufacture of methane?
Choose an answer
By reduction of CH2SL2
Wurtz reaction
Liquification of natural gas
None of these
Previous
Skip
Next
Question # 4
The essential component of organic compound is
Choose an answer
O
C
P
N
Previous
Skip
Next
Question # 5
Calcium cyanamide on treatment with steam under pressure gives NH
3
and
Choose an answer
Calcium carbonate
Calcium hydroxide
Calcium oxide
Calcium bicarbonate
Previous
Skip
Next
Question # 6
Which of the following oxides is peroxide?
Choose an answer
Na
2
O
2
MnO
2
BaO
SO
2
Previous
Skip
Next
Question # 7
Alum is not used
Choose an answer
As a mordant in dyeing
As an insecticide
In purification of water
In tanning of leather
Previous
Skip
Next
Question # 8
Heating a mixture of sodium benzoate and soda lime gives
Choose an answer
Methane
Benzene
Sodium benzoate
Calcium benzoate
Previous
Skip
Next
Question # 9
An electrolyte
Choose an answer
Forms complex ions in solution
Gives ions only when electricity is passed
Possesses ions even in solid state
Gives ions only when dissolved in water
Previous
Skip
Next
Question # 10
The spectrum of helium is expected to be similar to that of
Choose an answer
H
Li
+
Na
He
+
Previous
Skip
Next
Question # 11
Dilute hydrochloric acid solution cannot be concentrated by boiling beyond
Choose an answer
11%
33%
44%
22%
Previous
Skip
Next
Question # 12
Gooch Crucible used to filter the solution of
Choose an answer
H
2
SO
4
HCI
KMnO
4
Both B & C
Previous
Skip
Next
Question # 13
Which of the following is acidic?
Choose an answer
SO
3
N
2
O
BeO
HgO
Previous
Skip
Next
Question # 14
Which of the following alkali metal hydroxides is the strongest base?
Choose an answer
LiOH
NaOH
KOH
CsOH
Previous
Skip
Next
Question # 15
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 # 16
The total number of protons in 10 g of calcium carbonate is (N
0
= 6.023 x 10
23
)
Choose an answer
1.5057 x 10
24
2.0478 x 10
24
3.0115 x 10
24
4.0956 x 10
24
Previous
Skip
Next
Back