P - Block Elements Test

Result

P - Block Elements Test - 12

Score
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Weekly Quiz Competition

Question 1
4 / -1

Which of the following is used in making printer's ink, shoe polish, black varnish and paint ?

A
Lamp black

B
Bone black

C
Carbon black

D
None of these
Question 2
4 / -1

Calorific value of producer gas is low because of

A
high per cent of N₂

B
low per cent of CO₂

C
high per cent of CO

D
low per cent of N₂
Question 3
4 / -1

A

B

C

D
Question 4
4 / -1

A metal, M forms chlorides in its + 2 and + 4 oxidation states. Which of the following statements about these chlorides is correct ?

A
MCl₂ is more volatile than MCl₄

B
MCl₂ is more soluble in the anhydrous ethanol than MCl₄

C
MCl₂ is more ionic than MCl₄

D
MCl₂ is more easily hydrolysed than MCl₄
Question 5
4 / -1

The composition of the common glass is

A

B

C

D
Question 6
4 / -1

Addition of SnCl₂ to HgCl₂ gives precipitate

A
white turning to red

B
white turning to grey

C
black turning to white

D
None of these
Question 7
4 / -1

A

B

C

D

Solution
Question 8
4 / -1

Name of structure of silicates in which three oxygen atoms of [ SiO₄]^4- are shared is

A
pyrosilicate

B
sheet silicate

C
linear chain silicate

D
three dimensional silicate
Question 9
4 / -1

When tin is treated with concentrated nitric acid

A
it is converted into stannous nitrate

B
it is converted into stannic nitrate

C
it is converted into metastannic acid

D
it becomes passive
Question 10
4 / -1

The tendency for catenation in group 14 elements varies in the order

A
C >> Si > Ge = Sn > Pb

B
C << Si < Ge = Sn < Pb

C
C >> Si < Ge < Sn < Pb

D
C >> Si = Ge = Sn > Pb