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Chemistry Class 10 Chapter 16 - Chemical Industries - 2
1.
Which one of the following is the ore of lead?
Bauxite
Zinc blende
Galena
Halite
2.
hgs is the formula of?
Chromite
Silica
Cassiterite
Cinnabar
3.
The formula of zinc blende is?
NACL
HGS
ZNS
PBS
4.
Which one of the following is the ore of chromium?
Halite
Cinnabar
Silica
Chromite
5.
SN O
2
is the formula of?
Halite
Chromite
Cassiterite
Galena
6.
Silica is the ore of?
Silicon
Sodium
Lead
Chromium
7.
CUFES
2
is the formula of?
Halite
Haematite
Bauxite
Chalcopyrite
8.
The naturally occuringmetalic compounds are known as?
Pollutants
Ores
Minerals
Gangues
9.
The debris attached with the mineral is known as?
Gangue
Mineral
Ore
Pollutant
10.
The ore of tin is?
Chromite
Cassiterite
Bauxite
Halite
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