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Chapter 3
Group 3A and Group 4A elements
Test - 5
1.
Opal
a) Borax
b) Triplumbic tetra oxide
c) Calcium Magnesium silicate
d) Quartz
2.
Asbestos
a) Basic lead carbonate
b) Calcium Magnesium silicate
c) Quartz
d) Borax
3.
White lead
a) Borax
b) Aluminum
c) Quartz
d) Basic lead carbonate
4.
Flash light photography
a) Aluminum
b) Sodium silicate
c) Matesilicic acid
d) Silicon
5.
Transistors
a) Silicon based semiconductor
b) Sodium silicate
c) Aluminum
d) Methyl silicones
6.
Water repellents
a) Aluminum
b) Matesilicic acid
c) Silicon
d) Sodium silicate
7.
Rubber like tubing & sheets
a) Sodium silicate
b) Methyl silicones
c) Aluminum
d) Silicon based semiconductor
8.
Water glass
a) Sodium silicate
b) Aluminum
c) Methyl silicones
d) Silicon based semiconductor
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