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10th Class Chemistry Chapter 16 Chemical Industries English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Concentration is a .
Choose an answer
Mixing technique
Separating technique
Boiling technique
cooling technique
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Question # 2
Concentration is a separating technique in which mineral is separated from.
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Gangue
Silicates
Aluminates
All
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Question # 3
How many units are in Pakistan for manufacturing of Urea.
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3
6
9
12
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Question # 4
A saturated solution of sodium chloride is called.
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Brine
Suspension
Colloidal
None of these
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Question # 5
Which one is not the fraction of residual oil?
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Paraffin wax
Asphalt
Fuel oil
Coke
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Question # 6
The number of carbon atoms present in gasoline or petrol.
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5-10
6-10
7-10
8-10
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Question # 7
Extraction of metals from its ores is called.
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Metallurgy
Mining
Griding
All
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Question # 8
Which one of the following is not a fraction of petroleum?
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Kerosene oil
Diesel oil
Alcohol
Petrol
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Question # 9
Concentration is process of:
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Mixting technique
Separating technique
Boiling technique
Cooling techique
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