Chemistry Past Paper Questions

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Q 1371:1 (2) ....... reaction is irreversible:
A
N2+ 3H2 → 2NH3
B
H2+ I2→ 2HI
C
2H2 + O2 → 2H2O
D
N2 + O2 → 2NO
Multan, 2016
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Q 1372:A base is a substance which neutralizes acid. Among these... compound is not a base.
A
aqueous ammonia
B
sodium chloride
C
sodium carbonate
D
calcium oxide
Multan, 2016
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Q 1373:A disease that causes bone and teeth damage is
A
Fluorosis
B
Hepatitis
C
Cholera
D
Jaundice
Multan, 2016
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Q 1374:A reverse reaction is one:
A
Which proceeds from left to right
B
In which reactants react to form products
C
which slow down gradually
D
which speeds up gradually
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Q 1375:Crude oil is heated in furnace upto:
A
300oC
B
350oC
C
400oC
D
450oC
Multan, 2016
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Q 1376:Deficiency of vitamin ... causes the night blindness.
A
A
B
E
C
C
D
D
Multan, 2016
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Q 1377:C2H2 molecule has _____ covalent bonds:
A
Two
B
Three
C
Four
D
Five
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Q 1378:Compound is not soluble in water.
A
C6H6
B
NaCl
C
KBr
D
MgCl2
Multan, 2016
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Q 1379:4th and 5th periods of the long form of periodic table are called:
A
Short periods
B
Normal Periods
C
Long period
D
Very long periods
Multan, 2016
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Q 1380:______ is not an electrolyte:
A
Sugar Solution
B
Sulphuric Acid Solution
C
Lime Solution
D
Sodium Chloride Solution
Multan, 2016
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Total MCQs: 1548Page 138 of 155
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