Chemistry (2018) | Study Mode

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Question 31
A
ethene
B
propane
C
methane
D
butane
Explanation

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Correct option: A
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Question 32
A
FeS
B
CuS
C
ZnS
D
Na2S
Explanation

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Correct option: D
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Question 33
A
14
B
13
C
12
D
11
Explanation

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Correct option: D
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Question 34
A
coordinate
B
electrovalent
C
metallic
D
covalent.
Explanation

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Correct option: A
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Question 35
A
dissolution of salt in water
B
rusting of iron
C
melting of ice
D
separating a mixture by distillation
Explanation

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Correct option: B
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Question 36
A
298K
B
546K
C
819K
D
1092K
Explanation

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Correct option: D
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Question 37
A
decrease
B
increase
C
be zero
D
remain constant
Explanation

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Correct option: B
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Question 38
A
nitrogen
B
aluminium
C
copper
D
Sulphur
Explanation

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Correct option: D
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Question 39
A
HCl(g)
B
NH3
C
CI2
D
SO2
Explanation

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Correct option: B
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Question 40
A
CH
B
CH2
C
CH3
D
CnHn
Explanation

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Correct option: B

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