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 Fsc Part 1 Online Test MCQs With Answers
Question # 1
In the ground state of an atom, the electron is present
Choose an answer
In the nucleus
In the second shell
Nearest to the nucleus
Farthest from the nucleus
Previous
Skip
Next
Question # 2
Which of the following species has unpaired electrons in antibonding molecular orbitals.
Choose an answer
O2
+2
N2
-2
B2
F2
Previous
Skip
Next
Question # 3
An azeotropic mixture of two liquids boils at lower temperature than either of them when.
Choose an answer
It is saturated
It shows positive deviation from Raoult's law
It shows negative deviation from Raoult's law
It is metastable
Previous
Skip
Next
Question # 4
Select the correct answer out of the following alternative suggestions London dispersion forces are the only forces present among the.
Choose an answer
Molecules of water in liquid state
Atoms of helium is gaseous state at high temperature.
Molecules of solid I2
Molecule of H-Cl gas
Previous
Skip
Next
Question # 5
The over all positive value for the reaction potential predicts that process is energetically.
Choose an answer
Not feasible
Feasible
Impossible
No indication
Previous
Skip
Next
Question # 6
Which element has highest ionization potential
Choose an answer
Li
Na
K
Rb
Previous
Skip
Next
Question # 7
The paramagnetic behaviour of oxygen is well explaned on the basis of.
Choose an answer
M.O Theory
N.B Theory
VSEPR Theory
CF theory
Previous
Skip
Next
Question # 8
Existence of an element in more than one crystalline form is known as.
Choose an answer
Anisotropy
Allotropy
Isomorphism
Unit cell
Previous
Skip
Next
Question # 9
The largest number of molecules are present in
Choose an answer
3.6 of H2O
4.6 g of C2H5OH
2.8 g of CO
5.4 g of N2O5
Previous
Skip
Next
Question # 10
Ascorbic acid is vitamin.
Choose an answer
A
B
C
D
Previous
Skip
Next
Question # 11
When hot saturated solution is cooled very rapidly, we get
Choose an answer
Medium sized crystals
large sized crystals
Premature crystallization of the substance
Old crops of crystals
Previous
Skip
Next
Question # 12
Gases deviate from ideal behaviour at high pressure. Which of the following is correct for non-ideal behaviour of gases
Choose an answer
At high pressure, the gas molecules move in one direction only
At high pressure, the collisions between the gas molecules are increased
At high pressure, the volume of the gas becomes insignificant
At high pressure, the intermolecular attraction becomes significant
Previous
Skip
Next
Question # 13
The boiling point of water at Murree Hills.
Choose an answer
90
o
C
98
o
C
100
o
C
120
o
C
Previous
Skip
Next
Question # 14
Buffer action can be explained by
Choose an answer
Common ion effect
Law of mass action
Le Chateller's principle
All above
Previous
Skip
Next
Question # 15
The rate of reaction
Choose an answer
Increase as the reaction proceeds
Decreases as the reaction proceeds
Remains the same as the reactions proceeds
May decrease or increase as the reaction proceeds
Previous
Skip
Next
Question # 16
The nature of positive rays depends on
Choose an answer
The nature of electrode.
The nature of discharge tube
The nature of residual gas
All of the above
Previous
Skip
Next
Question # 17
How many sigma and pi bonds are present in C2H2.
Choose an answer
one sigma and two pi
two pi and one sigma
Two pi and three sigma
Three pi and two sigma
Previous
Skip
Next
Question # 18
An orbital which is spherical and symmetrical is
Choose an answer
S-Orbital
P - Orbital
d- Orbital
f - Orbital
Previous
Skip
Next
Back