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 Medium Mode MCQs With Answers
Question # 1
All the metal shine when they are freshly cut The reason is
Choose an answer
the conductivity of the metal is increased
the process of cutting gives energy to the metal atoms
the electrons become less delocalized according to valance bond theory
the electrons are excited at higher energy levels and emit the photons when they fall back
Previous
Skip
Next
Question # 2
Which one of the following doesn't exhibit allotropy?
Choose an answer
Bi
As
N
P
Previous
Skip
Next
Question # 3
Reason for the rancidity of fat is
Choose an answer
Low sponification
High reactivity of fat
Oxidation of fat
All
Previous
Skip
Next
Question # 4
Acetone and Chloroform are soluble in each other due to
Choose an answer
intermolecular hydrogen bonding
ion-dipole interaction
instantaneous dipoles
dipole-induced dipole interaction
Previous
Skip
Next
Question # 5
As the number of carbon atoms increase the number of isomers also increase. The six carbon compound hexane has as many as:
Choose an answer
10 isomers
3 isomers
5 isomers
6 isomers
Previous
Skip
Next
Question # 6
Which of the following enthalpy change always have a negative value
Choose an answer
∆Hf
∆H sol
∆Hc
∆Hat
Previous
Skip
Next
Question # 7
Which volume of gas has minimum value
Choose an answer
Apparent volume
Actual volume
Excluded volume
All have equal value
Previous
Skip
Next
Question # 8
The amount of oxygen in the lithosphere is about
Choose an answer
35.50%
40.60%
46.60%
50.50%
Previous
Skip
Next
Question # 9
Elimination unimolecular reactions involve
Choose an answer
Second order kinetics
First order kinetics
Third order kinetics
Zero order kinetics
Previous
Skip
Next
Question # 10
Why is carbon monoxide called as pollutant? The reason is that
Choose an answer
It combines with oxygen
It combines with haemoglobin
It inactivates glycolysis
It inactivates nerves
Previous
Skip
Next
Question # 11
In order to maintain the boiling point of water at 110 C°, the extemal pressure should be
Choose an answer
550 torr
between 500 and 760 tor
between 760 and 1500 torr
any pressure can be maintained
Previous
Skip
Next
Question # 12
The credit of discovering neutron goes to
Choose an answer
Rutherford
Langmuir
Chadwick
Austen
Previous
Skip
Next
Question # 13
The isomers due to the unequal distribution of carbon atoms on either side of the functional group belonging to the same homologous series are called
Choose an answer
Functional isomers
Position isomers
Chain isomers
Metamers
Previous
Skip
Next
Question # 14
At what pH glycine shows the structure H
3N
+
-- CH
2
-- COOH
Choose an answer
2
7
10
14
Previous
Skip
Next
Question # 15
The addition of HBr is easiest with
Choose an answer
CH2 = CHCl
CICH = CHCl
CH3 - CH = CH2
(CH3)2 C = CH2
Previous
Skip
Next
Question # 16
A complete chemical characterization of a compound must include
Choose an answer
Qualitative analysis
Chemical analysis
Quantitative analysis
Both a and c
Previous
Skip
Next
Question # 17
During the preparation of alkanes the hydrogenation of alkenes or alkynes the catalyst may be
Choose an answer
H
2
SO
4
Ni
Fe
2
O
3
Al
2
O
3
Previous
Skip
Next
Question # 18
Acetone reacts with HCN to form a cyanohydrin. It is an example of
Choose an answer
Electrophilic addition
Electrophilic substitution
Nucleophilic addition
Nucleophilic substitution
Previous
Skip
Next
Question # 19
Of the following which is a step growth polymer
Choose an answer
Bakelite
Polyethylene
Teflon
PVC
Previous
Skip
Next
Question # 20
Which of the following is not fatty acid?
Choose an answer
Propanoic acid
Acetic acid
Phthalic acid
Butanoic acid
Previous
Skip
Next
Question # 21
Choose an answer
There is no change in temperature
No change in volume
Heat is absorbed
Heat is released
Previous
Skip
Next
Question # 22
The coinage metals are
Choose an answer
Ni, Pd, Pt
Cu, Ag, Au
Zn, Al, Pb
Fe, Si, Sn
Previous
Skip
Next
Back