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
Chemistry General Science Test Hard Mode MCQs With Answers
Question # 1
Which has maximum protein content?
Choose an answer
Ground nut
Cow milk
Egg
Wheat
Previous
Skip
Next
Question # 2
Which is the most amphoteric?
Choose an answer
Na
2
O
MgO
AI
2
O
3
CaO
Previous
Skip
Next
Question # 3
The last orbit of argon would have electrons
Choose an answer
8
18
2
6
Previous
Skip
Next
Question # 4
Which of the following has least mass?
Choose an answer
2 gram atom of nitrogen
3 x 10
23
atoms of C
1 mole of S
7.0 g of Ag.
Previous
Skip
Next
Question # 5
In cold countries ethylene glycol is added to water in radiators of cars during winter It result in
Choose an answer
Lowering in b.pt.
Reducing viscosity
Reducing specific heat
Lowering in freezing pt.
Previous
Skip
Next
Question # 6
Benzene is obtained by fractional distillation of
Choose an answer
Heavy oil
Anthracene oil
Middle oil
Light oil
Previous
Skip
Next
Question # 7
The total number of protons in 10 g of calcium carbonate is (N
o
= 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
Question # 8
Which of the following has greatest reducing power?
Choose an answer
HI
Hbr
HCI
HI
Previous
Skip
Next
Question # 9
Which has the largest radius?
Choose an answer
CO
3+
Mn
3+
Fe
3+
Cr
3+
Previous
Skip
Next
Question # 10
Hybridization explain the------- of orbitals
Choose an answer
Type of Bonding
Shapes
Shape and Type of bonding
None of above
Previous
Skip
Next
Question # 11
The alkali metal which is liquid at 15°C is
Choose an answer
K
Cs
Na
None
Previous
Skip
Next
Question # 12
What quantity of limestone (CaCO
3
) on heating will give 56 kg of CaO?
Choose an answer
1000 kg
56 kg
44 kg
100 kg
Previous
Skip
Next
Question # 13
Which of the following fluorides of xenon is impossible?
Choose an answer
XeF
2
XeF
3
XeF
4
XeF
6
Previous
Skip
Next
Question # 14
Which one is primary alcohol?
Choose an answer
Buten-2-ol
Propan-2-ol
Butaon-1-ol
2, 3-Dimethylhexane-4-ol
Previous
Skip
Next
Question # 15
Calcium acetate when dry distilled
Choose an answer
Formaldehyde
Acetaldehyde
Acetone
Acetic anhydride
Previous
Skip
Next
Question # 16
Which of the following has greatest tendency to lose electron?
Choose an answer
F
Fr
S
Be
Previous
Skip
Next
Question # 17
Each of following is true of white and red phosphours except that they
Choose an answer
Are both soluble in CS
2
Can be oxidized by heating in air
Consist of the same kind of atoms
Can be converted into one another
Previous
Skip
Next
Question # 18
Which of the following oxides is peroxide?
Choose an answer
Na
2
O
2
MnO
2
BaO
SO
2
Previous
Skip
Next
Question # 19
Which one of the following compounds does not exist?
Choose an answer
NCl
5
AsF
5
SbCl
5
PF
5
Previous
Skip
Next
Question # 20
The formula to calcium cyanamide is
Choose an answer
Ca(CN)
2
CaC
2N
CaNCN
CaCHNH
2
Previous
Skip
Next
Question # 21
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
Previous
Skip
Next
Question # 22
Which is the most amphoteric?
Choose an answer
Na
2
O
MgO
Al
2
O
3
CaO
Previous
Skip
Next
Back