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Home
P - Block Elements Test - 92
P - Block Elements Test - 92
Result
P - Block Elements Test - 92
/
Score
-
Rank
Time Taken:
-
Question
1/10
4 / -1
Inorganic Benzene is
Correct
Wrong
Skipped
A
B
2
H
6
Correct
Wrong
Skipped
B
B
3
N
3
H
6
Correct
Wrong
Skipped
C
B
3
O
3
H
6
Correct
Wrong
Skipped
D
(BH
3
)
3
Solutions
Question
2/10
4 / -1
Anhydrous AlCl
3
cannot be obtained from which of the following reactions
Correct
Wrong
Skipped
A
Heating AlCl
3
. 6H
2
O
Correct
Wrong
Skipped
B
By Passing dry HCl over hot aluminium powder
Correct
Wrong
Skipped
C
By Passing dry Cl
2
over hot aluminium powder
Correct
Wrong
Skipped
D
By passing dry Cl
2
over a hot mixture of alumina and coke
Solutions
Question
3/10
4 / -1
Diborane combines with ammonia at 120
o
C to give
Correct
Wrong
Skipped
A
B
2
H
6
NH
3
Correct
Wrong
Skipped
B
B
2
H
6
2NH
3
Correct
Wrong
Skipped
C
B
2
H
6
3NH
3
Correct
Wrong
Skipped
D
B
2
H
6
4NH
3
Question
4/10
4 / -1
Which metal burn in air at high temperature with the evolution of much heat.
Correct
Wrong
Skipped
A
Cu
Correct
Wrong
Skipped
B
Hg
Correct
Wrong
Skipped
C
Pb
Correct
Wrong
Skipped
D
Al
Question
5/10
4 / -1
Aluminium hydroxide is soluble in excess of sodium hydroxide forming the ion
Correct
Wrong
Skipped
A
Correct
Wrong
Skipped
B
Correct
Wrong
Skipped
C
Correct
Wrong
Skipped
D
Question
6/10
4 / -1
Moissan boron is ________
Correct
Wrong
Skipped
A
Amorphous boron of ultra purity
Correct
Wrong
Skipped
B
Crystaline boron of ultra purity
Correct
Wrong
Skipped
C
Amorphous boron of low purity
Correct
Wrong
Skipped
D
Crystalline boron of low purity
Question
7/10
4 / -1
Which of the following is only acidic in nature
Correct
Wrong
Skipped
A
Be(OH)
2
Correct
Wrong
Skipped
B
Mg(OH)
2
Correct
Wrong
Skipped
C
B(OH)
3
Correct
Wrong
Skipped
D
Al(OH)
3
Question
8/10
4 / -1
Which of the following does not exist in free form
Correct
Wrong
Skipped
A
BF
3
Correct
Wrong
Skipped
B
BCl
3
Correct
Wrong
Skipped
C
BBr
3
Correct
Wrong
Skipped
D
BH
3
Question
9/10
4 / -1
Alumina is ________
Correct
Wrong
Skipped
A
Acidic
Correct
Wrong
Skipped
B
Basic
Correct
Wrong
Skipped
C
Amphoteric
Correct
Wrong
Skipped
D
None of these
Question
10/10
4 / -1
Hydrogen gas will not produce
Correct
Wrong
Skipped
A
Heated cupric oxide
Correct
Wrong
Skipped
B
Heated ferric oxide
Correct
Wrong
Skipped
C
Heated stannic oxide
Correct
Wrong
Skipped
D
Heated aluminium oxide
Re-attempt
-
Correct (
-
)
Wrong (
-
)
Skipped (
-
)
1
2
3
4
5
6
7
8
9
10
Re-attempt
-
Correct (
-
)
Wrong (
-
)
Skipped (
-
)
1
2
3
4
5
6
7
8
9
10
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