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Chapter 3
Group 3A and Group 4A elements
Test - 11
1.
Banxite is Al
2
O
3
. 2H
2
O
a) False
b) True
2.
Borax bead test is used for the detection of non-metallic anions.
a) True
b) False
3.
Chemical formula of Dolomite is MgCO
3
.
a) True
b) False
4.
Catenation is remarkable property of carbon.
a) False
b) True
5.
Silicon dioxide is a good conductor of electricity.
a) False
b) True
6.
Hydrolysis of Borax can be prevented in the presence of glycerin.
a) True
b) False
7.
Melting point of carbon (diamond form) is .3930C
o
.
a) True
b) False
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