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
10th Class Chemistry Chapter 16 Chemical Industries English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The elements that do not conduct heat and electricity are called.
Choose an answer
Metallurgy
Non metal
Metalloid
Alloy
Previous
Skip
Next
Question # 2
Bister copper is pure about;
Choose an answer
70%
80%
90%
98%
Previous
Skip
Next
Question # 3
The number of carbon atoms present in petroleum ether.
Choose an answer
1-5
2-5
3-7
5-7
Previous
Skip
Next
Question # 4
Concentration of the copper ore is carried out by:
Choose an answer
Calcinations
Roasting
Forth flotation
Distillation
Previous
Skip
Next
Question # 5
Ammonical brine is prepared by dissolving ammonia gas in.
Choose an answer
NaCl
CaCO
3
CaCl
2
Na
2
SO
4
Previous
Skip
Next
Question # 6
Which one of the following organic compound is found is gasoline?
Choose an answer
C
2
H
4
C
3
H
8
C
7
H
10
C
12
H
26
Previous
Skip
Next
Question # 7
Chemical formula of matte will:
Choose an answer
Cu2S.FeS
Cu2S
Cu2O
FeS
Previous
Skip
Next
Question # 8
Brown hair contains.
Choose an answer
Iron compound
Copper compound
titanium compound
Both a and b
Previous
Skip
Next
Question # 9
Ammonia is prepared by the process .
Choose an answer
Ostwald
Haber
Clark
All
Previous
Skip
Next
Question # 10
The number of carbon atoms present in petroleum gas.
Choose an answer
1-2
1-3
1-4
1-5
Previous
Skip
Next
Question # 11
Concentration is a separating technique in which mineral is separated from.
Choose an answer
Gangue
Silicates
Aluminates
All
Previous
Skip
Next
Question # 12
Which one of the ore of copper?
Choose an answer
Copper glance
Chalcopyrite
Both a and b
None of these
Previous
Skip
Next
Question # 13
Concentration of copper are is carried out by process.
Choose an answer
Roasting
Forth floatation
Gravity sepration
Electrostatic separation
Previous
Skip
Next
Back