Chemistry Past Paper Questions

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Q 1141:The base which is used in alkaline batteries is:
A
NaOH
B
Al(OH)3
C
KOH
D
Mg(OH)2
Sargodha, 2017
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Q 1142:The concentration is a:
A
Mixing technique
B
Separating technique
C
Boiling technique
D
Colling Technique
Sargodha, 2017
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Q 1143:The formula of urea is:
A
NH2COONH4
B
NH2COONH2
C
NH2COONH3
D
NH2CONH2
Sargodha, 2017
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Q 1144:The gas used to destroy harmful bacteria in the water is:
A
Iodine
B
Chlorine
C
Fluorine
D
Bromine
Sargodha, 2017
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Q 1145:The general formula of alkyl radicals is:
A
CnH2n+2
B
CnH2n-2
C
CnH2n+1
D
CnH2n
Sargodha, 2017
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Q 1146:The most important oligosacchride is:
A
Sucrose
B
Glucose
C
Fructose
D
Maltose
Sargodha, 2017
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Q 1147:The order of reactivity of hydrogen halides with alkenes is:
A
HI > HBr
B
HBr > HI
C
HCl > HBr
D
HCl > HI
Sargodha, 2017
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Q 1148:Spontaneous chemical reaction take place in:
A
Down's Cell
B
Nelson's cell
C
Galvanic Cell
D
Electrovoltic cell
Sargodha, 2017
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Q 1149:The minimum components of a solution are:
A
2
B
4
C
5
D
3
Sargodha, 2017
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Q 1150:The most abundant element occurring in ocean is:
A
Oxygen
B
hydrogen
C
Nitrogen
D
Silicon
Sargodha, 2017
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Total MCQs: 1548Page 115 of 155
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