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Sulphur And Its Compounds - 1
1.
Sulphur is a non-metal and a bad conductor of heat and electricity.
a) False
b) True
2.
Sulphur obtained by Frasch method is 100% pure.
a) True
b) False
3.
Plastic sulphur is one of the crystalline allotropes of sulphur.
a) False
b) True
4.
Rhombic sulphur is stable between 96
o
C to 119
o
C.
a) True
b) False
5.
Sulphur is insoluble in water.
a) True
b) False
6.
Sulphur is used in medicines both for external and internal use like purification of blood and a remedy for skin diseases.
a) True
b) False
7.
Sulphur dioxide is reduced to sulphur trioxide during contact process.
a) False
b) True
8.
Moist gases are dried by oleum in contact process.
a) True
b) False
9.
Concentrated sulphuric acid is hygroscopic in nature.
a) False
b) True
10.
Sulphuric acid is a strong monobasic acid.
a) True
b) False
11.
Concentrated sulphuric acid reacts with copper to produce hydrogen gas.
a) False
b) True
12.
Concentracted sulphuric acid is a strong reducing agent.
a) True
b) False
13.
On dehydration of ethyl alcohol by conc H
2
SO
4
ethene is produced.
a) True
b) False
14.
Chemical formula of ammonium sulphate is NH
4
SO
4
a) False
b) True
15.
Sulphuric acid is used in the manufacture of pigments.
a) False
b) True
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