Chemistry SSC CHSL Questions

SSC-CHSL-General-Awareness

Chemistry MCQ Questions


7.
What is the generic name of calcium sulphate hemihydrate?
SSC CHSL 2021-04.08.2021-2
A.
Baking soda
B.
Plaster of Paris
C.
Detergent powder
D.
Vinegar
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ANSWER :
B. Plaster of Paris
8.
Due to which of the following reactions are household bleaching agents using phosphorous, sulphur and chlorine formed?
SSC CHSL 2021-09.08.2021-1
A.
Decomposition reaction
B.
Displacement reaction
C.
Combination reaction
D.
Disproportionation reaction
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ANSWER :
D. Disproportionation reaction
9.
Which of the following is a polar molecule?
SSC CHSL 2021-09.08.2021-1
A.
Carbon tetrachloride
B.
Carbon dioxide
C.
Benzene
D.
Water
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ANSWER :
D. Water
10.
Which one of the following features is NOT shown by metals?
SSC CHSL 2021-09.08.2021-1
A.
Looks dull
B.
Can be pounded into shape
C.
Can be made into a wire
D.
Conducts heat
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ANSWER :
A. Looks dull
11.
In which of the following options is the substance INCORRECTLY paired with the acid present in that substance?
SSC CHSL 2021-09.08.2021-2
A.
Tomato - Oxalic Acid
B.
Vinegar - Acetic Acid
C.
Orange - Citric Acid
D.
Lemon - Lactic Acid
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ANSWER :
D. Lemon - Lactic Acid
12.
What is the molecular formula for hydrochloric acid?
SSC CHSL 2021-09.08.2021-3
A.
H2SO4
B.
HNO3
C.
KOH
D.
HCl
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ANSWER :
D. HCl