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Online Tests
Chemistry 10th Class English Medium Unit 15 Online Test MCQs With Answers
Question # 1
Gypsum in water is.
Choose an answer
Sparingly soluble
Insoluble
Highly soluble
None of them
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Question # 2
The heat capacity of water is.
Choose an answer
4.2 Jg
-1
K
-1
2.1 Jg
-1
K
-1
3.2 Jg
-1
K
-1
5.9 Jg
-1
K
-1
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Question # 3
Chemical form of gypsum.
Choose an answer
MgSO
4
. 5H
2
O
CaSO
4
. 2H
2
O
FeSO
4
. 5H
2
O
CuSO
4
. 5H
2
O
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Question # 4
Freezing point of water is:
Choose an answer
-4°C
0°C
-36°C
-58°C
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Question # 5
Inland water includes.
Choose an answer
River
Lakes
Streams
All of them
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Question # 6
Which one of the following ion does not cause hardness in water?
Choose an answer
Ca
+2
Mg
-2
SO
-2
Na
+
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Question # 7
Calcium carbonate is in water.
Choose an answer
Insoluble
Sparingly
None of them
Soluble
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Question # 8
Water dissolves Non-ionic compounds by:
Choose an answer
Ion-Ion forces
Dipole forces
Dipole - Dipole forces
Hydrogen Bonding
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Question # 9
Permanent hardness is removed by adding.
Choose an answer
Na
2
zeolite.
Soda lime
Lime water
Quick lime
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Question # 10
At which temperature o water shows mxamimum density.
Choose an answer
0
o
C
100
o
C
4
o
C
-4
o
C
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Question # 11
Which organ cause to function during Jaundice?
Choose an answer
Liver
Kindney
Stomach
Large intestine.
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Question # 12
Hook warm larvae enter the body through.
Choose an answer
Food
Water
Skin
All of them
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Question # 13
Temporary hardness is due to the presence of bicarbonates of.
Choose an answer
Calcium
Magnsium
Both of them
None of them
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