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10th Class Chemistry Chapter 16 Chemical Industries English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Brown hair contains.
Choose an answer
Iron compound
Copper compound
titanium compound
Both a and b
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Question # 2
In solvay's process slaked lime is used to:
Choose an answer
Prepare CO
2
Prepare quick lime
Recover ammonia
Form Na
2
CO
3
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Question # 3
Catalyst used in Haber's process is:
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Ni
Fe
Cu
Zn
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Question # 4
Red hair contains compound of.
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Iron
copper
titanium
Molybdenum
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Question # 5
Concentration of copper are is carried out by process.
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Roasting
Forth floatation
Gravity sepration
Electrostatic separation
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Question # 6
At the time of partition, How many industries wee present in Pakistan.
Choose an answer
30
32
34
40
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Question # 7
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
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Question # 8
Blast furnace usually used for the metallurgy of.
Choose an answer
Iron
Copper
Aluminum
Both a and b
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Question # 9
Extraction of metals from its ores is called.
Choose an answer
Metallurgy
Mining
Griding
All
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Question # 10
Bister copper is pure about;
Choose an answer
70%
80%
90%
98%
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Question # 11
In the bessemerization process.
Choose an answer
Roasted ore is beated.
Molten matte is removed.
Molten matte is heated
Molten matte is added
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Question # 12
Froth flotation process is used to concentrate.
Choose an answer
Copper ore
Iron ore
Chromium ore
Aluminum ore
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Question # 13
Composition of carbon in the diesel oil.
Choose an answer
C
7
-C
10
C
10
-C
12
C
13
-C
15
C
15
-C
18
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