Chemistry Past Paper Questions

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Q 411:Which Gas Protects the surface from Ultraviolet Radiations
A
CO2 gas
B
CO
C
N2
D
O3
Bahawalpur, 2018
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Q 412:Which one is responsible for rising up water from the roots of Plants to Leaves:
A
Capillary Action
B
Heat Capacity
C
Photosynthesis
D
Surface Tension
Bahawalpur, 2018
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Q 413:Which one of the following is Lewis base:
A
BF3
B
NH3
C
H+
D
AlCl3
Bahawalpur, 2018
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Q 414:Which one of the following is triglycerides:
A
Proteins
B
Carbohydrates
C
Vitamins
D
Lipids
Bahawalpur, 2018
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Q 415:Which one of the following species is not Amphoteric:
A
H2O
B
NH3
C
HCO3-1
D
SO42-
Bahawalpur, 2018
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Q 416:Which one of the following molecules is electron deficient:
A
NH3
B
BF3
C
N2
D
O2
Bahawalpur, 2018
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Q 417:Which one of the following Non-Metal is Lustrous:
A
Iodine
B
Carbon
C
Phosphorous
D
Sulphur
Bahawalpur, 2018
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Q 418:Which one of the following can be separated by Physical means:
A
Mixtures
B
Elements
C
Compounds
D
Radicals
Bahawalpur, 2018
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Q 419:Which one of the following is Crystaline Solid :
A
Rubber
B
Plastic
C
Glass
D
Glucose
Bahawalpur, 2018
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Q 420:Which is the most common example of Corrosion:
A
Chemical Decay
B
Rusting of Aluminium
C
Rusting of Tin
D
Rusting of Iron
Bahawalpur, 2018
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Total MCQs: 1548Page 42 of 155
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