Important
GK Questions from Science (Chemistry) for SSC CGL Exam Set 14:
The List
of Important GK questions from general science were given here, Candidates
those who are preparing for the SSC CGL Exam can use this material. We also
provide GK Questions from the topics such as, Indian Polity, History,
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Materials.
1).Cryolite is the combined ore of _________.
a)
Aluminium and copper
b)
Aluminium and sodium
c)
Aluminium and lead
d)
Aluminium and zinc
2).When bauxite is fused with caustic soda, it
forms _________.
a)
Alumina
b)
Sodium meta aluminate
c)
Cryolite
d)
Corundum
3).The chief ore of copper is _________.
a)
Copper pyrite
b)
Cryolite
c)
Haematite
d)
Magnetite
4).Copper pyrite is purified by _________.
a)
Gravity separation
b)
Forth floatation
c)
Electromagnetic separation
d)
Oxidation
5).During roasting of copper pyrite,
__________ is formed.
a)
Cu2S
b)
FeSO4
c)
CuSO4
d)
SO3
6).Matte is _______.
a)
Cu2S
b)
FeS
c)
Cu2S + FeS
d)
CuFeS2
7).Number of groups in modern periodic tablet
is _________.
a)
7
b)
17
c)
18
d)
8
8).An amalgam is an alloy of metal with
_________.
a)
Carbon
b)
Mercury
c)
Hydrogen
d)
Gold
9).Any metal mixed with mercury is called
amalgam. The amalgam used for dental filling is _________.
a)
Ag-Sn amalgam
b)
Cu-Sn amalgam
c)
Either A or B
d)
None of these
10).Metals presents in brass are __________.
a)
Zn, Cu
b)
Cu, Fe
c)
Fe, Al
d)
Al, Cu
Answers:
1). b) 2). b) 3). a) 4). b) 5).
a) 6). c) 7).
c) 8). b) 9).
a) 10). a)
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