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
When light is exposed to transtion element, then electrons jump from lower orbitals to higher orbitals in
Choose an answer
Orbitals of s-subshell
Orbitals of d-subshell
Orbitals of p-subshell
between different shells
Previous
Skip
Next
Question # 2
According to kinetic theory of gases there are
Choose an answer
Intermolecular attractions
Molecules which have considerable volume
No intermolecular forces of attraction
The velocity of molecules decreases for each collision.
Previous
Skip
Next
Question # 3
Which order of vapour pressure in the following liquids is correct
Choose an answer
water > ethanol > acetone > ether
ether > acetone > ethanol > water
ether > ethanol > acetone > water
water > ether > acetone > ethanol
Previous
Skip
Next
Question # 4
The %age of nitrogen in urea is:
Choose an answer
46
60
70
80
Previous
Skip
Next
Question # 5
How many esters are possible for C2H8O2
Choose an answer
3
2
4
5
Previous
Skip
Next
Question # 6
Buffer solutions are used in except
Choose an answer
Clinical analysis
Nutrition
Soil science
Qualitative analysis
Previous
Skip
Next
Question # 7
To prepare ethane by Wurtz synthesis the suitable alkyl halide is
Choose an answer
Ethyl iodide
any alkyl iodide
Ethyl chloride
Methyl bromide
Previous
Skip
Next
Question # 8
The most complex strueture a single polypetide can assume is
Choose an answer
1° structure
2°structure
3° structure
4° structure
Previous
Skip
Next
Question # 9
For the reaction H2(g) +I2 (g) <---------> 2Hl(g). The equilibrium constant changes with
Choose an answer
Total pressure
Catalyst
Concentration of H2 and I2
Temperature
Previous
Skip
Next
Question # 10
According to Boyle's law, which parameters give a straight line parallel to x-axis, when we plot a graph between:
Choose an answer
V and T
P and V
P and 1/V
P and PV
Previous
Skip
Next
Question # 11
How temperature affects the electrical conductivity of metals?
Choose an answer
Does not change at all
Decreases with increasing temperature
Increases with increasing temperature
Decreases with decreasing temperature
Previous
Skip
Next
Question # 12
Which of the following is the strongest acid?
Choose an answer
CF
3
COOH
CBr
3
COOH
CH
3
COOH
CCl
3
COOH
Previous
Skip
Next
Question # 13
Identification of a substance, determination of its structure an quantitative analysis of its composition are the aspects covered by:
Choose an answer
Modern analytical physics.
Mechanical chemistry.
Biochemistry.
Modern analytical chemistry.
Previous
Skip
Next
Question # 14
The formation of PVC from vinyl chloride is an example of
Choose an answer
Substitution reaction
Addition polymerization
Condensation polymerization
Condensation reaction
Previous
Skip
Next
Question # 15
Smallest charge of electricity that has been measured so far is
Choose an answer
Charge on a-rays
Charge on electron (1.602 x 10
-19
C)
Charge on x-rays
Charge on gamma rays
Previous
Skip
Next
Question # 16
At what pH glycine shows the structure H
3N
+
-- CH
2
-- COOH
Choose an answer
2
7
10
14
Previous
Skip
Next
Question # 17
Which one is a polymer compound?
Choose an answer
SO
2
CO
2
CH
4
PVC
Previous
Skip
Next
Question # 18
The bond order O
2
molecule is
Choose an answer
1
2
3
Zero
Previous
Skip
Next
Question # 19
Which quantum number is sufficient to describe the electron is hydrogen atom?
Choose an answer
l
n
m
s
Previous
Skip
Next
Question # 20
0.5 mole of CH
4
and 0.5 mole of SO
2
gases have equal
Choose an answer
Volume
Mass is gram
Total number of atoms
Number of molecules
Previous
Skip
Next
Question # 21
Choose an answer
Diastase
Lipase
Inverters
Zymase
Previous
Skip
Next
Question # 22
Which alloy contains 50% copper, 25% zinc and 25% nickel
Choose an answer
German silver
Gun metal
Bell metal
Brass
Previous
Skip
Next
Back