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Chapter 3
Group 3A and Group 4A elements
Test - 4
1.
Methyl silicones of high molecular masses are used in making
a) Plastic
b) Rubber
c) Lubricants
d) Glass
2.
Which element among the following does not belong to group IVA of the periodic table
a) Arsenic
b) Tin
c) Germanium
d) Lead
3.
H
3
BO
3
is
a) Pyroboric acid
b) Metaboric acid
c) Orthoboric acid
d) Tetraboric acid
4.
Gibbsite contain water molecule
a) 3
b) 5
c) 2
d) 6
5.
The observed C-O bond distance in CO
2
is
a) 105 pm
b) 120 pm
c) 110 pm
d) 115 pm
6.
The shape of SiO
2
is
a) Pentagonal
b) Linear
c) Tetra hedral
d) Trigonal Pyramid
7.
Tincal
a) Triplumbic tetra oxide
b) Borax
c) Calcium Magnesium silicate
d) Quartz
8.
Bauxite
a) Basic lead carbonate
b) Aluminum
c) Triplumbic tetra oxide
d) Borax
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