Chemistry Past Paper Questions

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Q 191:Wood contains carbon about:
A
40%
B
50%
C
60%
D
70%
Lahore, 2019
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Q 192:Who presented law of octaves:
A
Dobereiner
B
Newlands
C
Moseley
D
Mendeleev
Lahore, 2019
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Q 193:A good example of Suspension is :
A
tooth paste
B
Milk
C
Chalk in water
D
Blood
Multan, 2019
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Q 194:Acetic acid is used for:
A
Flavoring food
B
Making explosives
C
Etching Designs
D
Cleaning Metals
Multan, 2019
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Q 195:Among the following ________ gas is known as life gas for plants.
A
O3
B
O2
C
CO2
D
N2
Multan, 2019
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Q 196:Among the following ________ is a Triglyceride:
A
Carbohydrates
B
Proteins
C
Lipids
D
Vitamins
Multan, 2019
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Q 197:Among the following ________ is the hardest coal.
A
Peat
B
Lignite
C
Bituminous
D
Anthracite
Multan, 2019
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Q 198:Among the following disease _________ causes liver inflammation.
A
Jaundice
B
Dysentery
C
Cholera
D
Hepatitis
Multan, 2019
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Q 199:Chalco Pyrite is an ore of
A
Copper
B
Silver
C
Iron
D
Zinc
Multan, 2019
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Q 200:Conjugate base of Sulphuric Acid is:
A
SO2-3
B
S2-
C
HSO-3
D
HSO-4
Multan, 2019
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Total MCQs: 1548Page 20 of 155
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