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
Which one of the following is not a fraction of petroleum?
Choose an answer
Kerosene oil
Diesel oil
Alcohol
Petrol
Previous
Skip
Next
Question # 2
A saturated solution of sodium chloride is called.
Choose an answer
Brine
Suspension
Colloidal
None of these
Previous
Skip
Next
Question # 3
At the time of partition, How many industries wee present in Pakistan.
Choose an answer
30
32
34
40
Previous
Skip
Next
Question # 4
When NaHCO
3
is heated it forms.
Choose an answer
CO
2
Ca(OH)
2
CaCO
3
CaO
Previous
Skip
Next
Question # 5
Process of heating the concentrated ore to high temperature in excess of air is called.
Choose an answer
Roasting
Smelting
Bessemerization
All
Previous
Skip
Next
Question # 6
Formula of baking soda is.
Choose an answer
Na
2
CO
3
NaHCO
3
Na
2
SO
4
Na
2
PO
4
Previous
Skip
Next
Question # 7
How many % age of nitrogen present in air by volume?
Choose an answer
70%
75%
78%
80%
Previous
Skip
Next
Question # 8
Formula of soda ash is.
Choose an answer
Na
2
CO
3
NaHCO
3
Na
2
SO
4
Na
3
PO
4
Previous
Skip
Next
Question # 9
The process of removal of gangue form the ore is technically known as:
Choose an answer
concentration
purification process
metallurgy
refining
Previous
Skip
Next
Question # 10
Compound of metal exist under earth crust are called.
Choose an answer
Ore
Gangue
Minral
None of these
Previous
Skip
Next
Question # 11
Which contains sufficient amount of metal?
Choose an answer
Mineral
Ores
Rocks
Soil
Previous
Skip
Next
Question # 12
Catalyst used in Haber's process is:
Choose an answer
Ni
Fe
Cu
Zn
Previous
Skip
Next
Back