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 10th Class English Medium Unit 11 Online Test MCQs With Answers
Question # 1
The strone heating of coal in retorts in the absence of air is called.
Choose an answer
Fractional distillation
sublimation
Roasting
Destructive distillation
Previous
Skip
Next
Question # 2
Coal gas is mixture of
Choose an answer
CO and CH
4
CO . CH
4
. CO
2
CO, CH
4
, H
2
CO, H
2
and CO
2
Previous
Skip
Next
Question # 3
General formula of Alkane is.
Choose an answer
C
10
H
2n-2
C
6
H
26
C
11
H
2n-2
C
n
H
2n-2
Previous
Skip
Next
Question # 4
In which of the following groups, oxygen is attached on both sides with carbon atoms?
Choose an answer
Ketone
Ether
Aldehyde
Ester
Previous
Skip
Next
Question # 5
Which one of the following is a synthetic fiber:
Choose an answer
cotton
wool
nylon
silk
Previous
Skip
Next
Question # 6
General formula of alcohols is:
Choose an answer
RCHO
ROH
O= R - C -OH
O = R - C- R
Previous
Skip
Next
Question # 7
The coal in which the percentage of carbon is 60%
Choose an answer
Peat
Lignite
Bituminous
Anthracit
Previous
Skip
Next
Question # 8
Pitch is black residue of
Choose an answer
Coke
Coal-tar
Coal
Coal gas
Previous
Skip
Next
Question # 9
Which one contains triple covalent bond?
Choose an answer
Pentane
Ethylene
Acetylene
All
Previous
Skip
Next
Question # 10
Silicon occurs in the form of
Choose an answer
Silica
Silicates
both a and b
None of these
Previous
Skip
Next
Question # 11
Conversion of dead plants into coal by the action of bacteria and heat is called.
Choose an answer
Carbonization
Catenation
Hydrogenation
Cracking
Previous
Skip
Next
Question # 12
Formula of acetaldehyde is:
Choose an answer
Previous
Skip
Next
Back