Chemistry 2012 | Study Mode

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Question 1
A
netralization with NaOHfoolowed by filtration
B
neutralization with NaOH followed by distillation
C
fractional distillation
D
filtration followed by distillation
Explanation

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Correct option: D
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Question 2
A
1.20 x 1022
B
2.41 x 1022
C
1.51 x 1023
D
3.02 x 1023
Explanation

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Correct option: C
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Question 3
A
49.19 cm 3
B
48.87 cm 3
C
48.55 cm 3
D
48.23 cm 3
Explanation

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Correct option: D
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Question 4
A
a decrease in the number of effective collisions
B
a decrease in volume
C
an increase in the average intermolecular distance
D
an increase in volume
Explanation

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Correct option: B
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Question 5
A
200 cm3
B
400 cm3
C
600 cm3
D
700 cm3
Explanation

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Correct option: B
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Question 6
A
I and lll only
B
ll and lV only
C
l, ll and lll only
D
l, ll, lll and lV
Explanation

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Correct option: D
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Question 7
A
Dative
B
Covalent
C
Lonic
D
Metallic
Explanation

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Correct option: C
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Question 8
A
one proton only
B
one neutron only
C
one proton and one neutron
D
one proton, one electron and one neutron
Explanation

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Correct option: C
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Question 9
A
ls 22s 22P 63s23P2
B
Is22s22P6
C
ls22s22p63s2
D
ls22s22P4
Explanation

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Correct option: B
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Question 10
A
monoatmic
B
good oxidizing agents
C
highly electropositive
D
electron donors
Explanation

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Correct option: B

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