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 I Engineering Chemistry MCQs With Answers
Question # 1
Which of the following reagent cannot be used for preparing alkyl chloride from alcohol?
Choose an answer
HCI + anhyd. ZnCI
2
NaCI
PCI
5
SOCI
2
Previous
Skip
Next
Question # 2
Evaporation of water is
Choose an answer
An exothermic change
An endothermic change
A process where no heat changes occur
A process accompanied by chemical
Previous
Skip
Next
Question # 3
Which is the most volatile compound?
Choose an answer
HI
HCI
HBr
HF
Previous
Skip
Next
Question # 4
The spectrum of helium is expected to be similar to that of
Choose an answer
H
Li
+
Na
He
+
Previous
Skip
Next
Question # 5
In a crystal a ≠ b ≠ c, a = γ = 90° and β ≠ 90°, it is
Choose an answer
Monoclinic
Rhombic
Trigonal
Tetragonal
Previous
Skip
Next
Question # 6
When electrons revolve is stationary orbits
Choose an answer
There is no change in energy level
They vecome stationary
They are gaining kinetic energy
There is increase in energy
Previous
Skip
Next
Question # 7
Cyclone collector is used for minimizing
Choose an answer
Radioactive pollution
Air pollution
Noise pollution
Water pollution
Previous
Skip
Next
Question # 8
Which has the largest radius?
Choose an answer
CO
3+
Mn
3+
Fe
3+
Cr
3+
Previous
Skip
Next
Question # 9
Which of the following mineral does not contain AI?
Choose an answer
Cryolite
Mica
Feldspar
Fluorspar
Previous
Skip
Next
Question # 10
Which quantum number is sufficient to describe the electron is hydrogen atom?
Choose an answer
/
n
m
s
Previous
Skip
Next
Question # 11
In crystal structure of sodium chloride the arrangement of CI
-
ions is
Choose an answer
Fee
Both fee and bcc
Bee
None of these
Previous
Skip
Next
Back