Chemistry Past Paper Questions

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Q 421:A disease that cause bone and tooth damage is:
A
Cholera
B
Fluorosis
C
Hookworm
D
Hepatitis
Faisalabad, 2018
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Q 422:A disease that cause bone and tooth damage is:
A
Hepatitis
B
Cholera
C
Fluorosis
D
Jaundice
Faisalabad, 2018
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Q 423:About 75% atmosphere's mass lies within:
A
11 kilometers
B
15 kilometers
C
30 kilometers
D
35 kilometers
Faisalabad, 2018
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Q 424:Catalyst used for hydrogenation of vegetable oil is:
A
Al
B
Ni
C
CO
D
Pt
Faisalabad, 2018
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Q 425:) Molarity is the number of moles of solute dissolved in:
A
1 kg of solution
B
100 g of solvent
C
1 dm3 solvent
D
1 dm3 of solution
Faisalabad, 2018
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Q 426:At what temperature the volume of a gas will be zero?
A
273 K
B
173 K
C
73 K
D
273 oC
Faisalabad, 2018
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Q 427:Who presented Law of Octaves:
A
Dobereiner
B
Mosely
C
Newlands
D
Mandeleev
Bahawalpur, 2018
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Q 428:Which pair of the Molecules has Double Covalent Bond:
A
HCl and O2
B
N2 and O2
C
C2H4 and O2
D
C2H2 and O2
Bahawalpur, 2018
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Q 429:Who put forward the Law of Mass Action:
A
Dalton
B
Guldberg
C
Rutherford
D
Moselay
Bahawalpur, 2018
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Q 430:Who discovered vitamin B1 (Thiamin):
A
Hopkins
B
Funk
C
Bohar
D
Watson
Bahawalpur, 2018
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Total MCQs: 1548Page 43 of 155
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