P - Block Elements Test

Result

P - Block Elements Test - 100

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

Lapis lazuli is

A
Ferrous sulphate

B
Copper Sulphate

C
Sodium Alumino Silicate

D
Zinc Sulphate
Question 2
4 / -1

\'Lead pencil\' contains

A
PbS

B
Graphite

C
FeS

D
Pb
Question 3
4 / -1

Which of the following gives propyne on hydrolysis

A
Al₃C₃

B
Mg₂C₃

C
B₄C

D
La₄C₃

Solution
Question 4
4 / -1

The ionic carbide is

A
ZnC

B
TiC

C
SiC

D
CaC₂
Question 5
4 / -1

Which of the following is not iso structural with SiCl₄

A

B

C

D
Question 6
4 / -1

For prevention of rusting of iron which is used in paints.

A
PbO

B
PbO₂

C
Pb₃O₄

D
PbSO₄
Question 7
4 / -1

Diamond is harder than graphite because

A
Graphite is planar

B
Diamond has free electron

C
Graphite is sp³ hybridized

D
None
Question 8
4 / -1

Supercritical CO₂ is used as

A
Dry ice

B
Fire fighting

C
A Solvent for extraction of organic compound from natural sources

D
A highly inert medium for carrying out various reactions.
Question 9
4 / -1

Products formed on heating Pb(NO₂)₂ are

A
PbO, N₂, O₂

B
Pb(NO₂)₂, O₂

C
PbO, NO₂, O₂

D
Pb, N₂, O₂

Solution
Question 10
4 / -1

Which of the following lead oxide is \'Sindhur\'

A
PbO

B
PbO₂

C
Pb₂O₃

D
Pb₃O₄