Chemistry (UI) | Study Mode

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Question 1
A

31%

 
B

27%

 
C

21%

 
D

19%

 
Explanation.
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Correct Option:
C
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Question 5
A
sublimation followed by addition of water and filtration 
B
sublimation followed by addition of water and evaporation 
C
addition of water followed by filtration and sublimation 
D
addition of water followed by crystallization and sublimation 
Explanation.
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Correct Option:
A
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Question 6
A
over a wide range of temperature 
B
over a narrow range of temperature 
C
at a lower temperature than the impure one 
D
at the same temperature as the impure one 
Explanation.
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Correct Option:
B
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Question 7
A
distillation 
B
sublimation 
C
precipitation 
D
evaporation 
Explanation.
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Correct Option:
B
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Question 10
A
P will form an electrovalent bond with R 
B
Q will form a covalent bond with S 
C
R will form an electrovalent bond with S 
D
Q will form an electrovalent bond with S 
Explanation.
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Correct Option:
D
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