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10th Class Chemistry Chapter 16 Chemical Industries English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Blonde hair contains compounds of:
Choose an answer
molybdenum
iron
titanium
copper
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Question # 2
Which one of the following is not faction of crude oil.
Choose an answer
Paraffin wax
Asphalt
Fuel oil
Petroleum coke
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Question # 3
When NaHCO
3
is heated it forms.
Choose an answer
CO
2
Ca(OH)
2
CaCO
3
CaO
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Question # 4
Concentration of copper are is carried out by process.
Choose an answer
Roasting
Forth floatation
Gravity sepration
Electrostatic separation
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Question # 5
At the time of partition, How many industries wee present in Pakistan.
Choose an answer
30
32
34
40
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Question # 6
How many % age of urea is used as fertilizers?
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80%
90%
95%
98%
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Question # 7
Imperial chemical industries was established in.
Choose an answer
1942
1944
1950
1990
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Question # 8
On which bases froth floatation process take place?
Choose an answer
Density bases
Concentration basis
Watting basis
None of these
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Question # 9
the chemical formula of chalcopyrite is:
Choose an answer
Cu
2
S
CuFe
2
S
CuS
FeS
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Question # 10
Catalyst used in Haber's process is:
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Ni
Fe
Cu
Zn
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Question # 11
Froth flotation process is used to concentrate.
Choose an answer
Copper ore
Iron ore
Chromium ore
Aluminum ore
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Question # 12
The residual oil is heated above 400 c to produce.
Choose an answer
Lubricants
Paraffin wax
Asphalt
All
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Question # 13
The number of carbon atoms present in kerosene oil.
Choose an answer
8-12
9-12
10-12
11-12
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