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Online Tests
Chemistry Fsc Part 2 Chapter 15 Online Test MCQs With Answers
Question # 1
During the manufacturing process of cement the temperature of the decomposition zone goes up to
Choose an answer
600
°C
800
°C
1000
°C
1200
°C
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Question # 2
Which one of the following is inorganic fertilizer.
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Manure
Urea
Ammonium nitrate
All of these
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Question # 3
Conversion of ammonium carbamate into urea is
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Hydrolysis
Hydrogenation
Hydration
Dehydration
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Question # 4
During the manufacturing process of cement the temperature of the decomposition zone goes up to.
Choose an answer
600
o
C
900
o
C
1000
o
C
1200
o
C
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Question # 5
The percentage of clay and liem stone in cement is in the ratio of.
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1 : 1
1 :2
1:3
3:1
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Question # 6
Pulp is washed to remove lignin from it. Due to the presence of lignin in pulp paper becomes.
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Soft
Brittle
Acidic
Colourless
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Question # 7
Which elements are needed for healthy growth of plants
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N,S,P
N,Ca,P
N,P,K
N,K,C
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Question # 8
The nitrogen present to some fertilizers helps plants to
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Fight against diseases
Produce fat
Undergo photosynthesis
Produce protein
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Question # 9
During manufacturing of cement , the temperature of pre heating zone is.
Choose an answer
500
o
C
900
o
C
1000
o
C
1500
o
C
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Question # 10
Which three elements are needed for the healthy growth of plants.
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N,S,P
N, Ca, P
N,P,K
N,K,C
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Question # 11
Potassium fertilizers are especially useful for
Choose an answer
Tobacco
Coffee
Potato
All of these
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Question # 12
Usually the percentage of moisture is paper is
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1- 3%
4-6%
6-8%
5%
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Question # 13
The composition mixture of clay and lime stone in the raw material.
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75% lime stone and 25% clay
25% lime stone and 75% clay
15% lime stone and 55% clay
55% lime stone and 15% clay
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Question # 14
Which is not a calcarious material
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Clay
Limestone
Marble
Chalk
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Question # 15
The temperature of digester is main tained at
Choose an answer
100
o
C
160-180
o
C
200
o
C
200-240
o
C
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Question # 16
What is clinker
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Roasted calcareous material
Roasted argillaceous material
Roasted calcareous and argillaceous material
Roasted gyposum
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Question # 17
Which woody raw material is used for the manufacture of paper pulp
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Cotton
Biogases
Rice straw
Poplar
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Question # 18
The diameter of rotary kiln in the manufacture of Portland cement is.
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1 to 2 feet
2 to 4 feet
4 to 8 feet
8 to 15 feet
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