Chemistry Past Paper Questions

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Q 841:A disease that cause bone and tooth damage is:
A
Fluorosis
B
Hepatitis
C
Jaundice
D
Cholera
Faisalabad, 2017
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Q 842:A reaction between an acid and base produces:
A
Salt and water
B
Salt and gas
C
Salt and acid
D
Salt and base
Faisalabad, 2017
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Q 843:About 99% atmosphere's mass live within:
A
30km
B
35Km
C
50km
D
85km
Faisalabad, 2017
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Q 844:Ca(OCl)Cl is an example of:
A
Normal salts
B
Double salts
C
Mixed salts
D
Complex salt
Faisalabad, 2017
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Q 845:Coal gas is a mixture of:
A
CO and CH4
B
CO, CH4, and CO2
C
CO, CH4, and H2
D
CO, H2, and CO2
Faisalabad, 2017
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Q 846:Atomic number of an element is represented by:
A
A
B
N
C
K
D
Z
Faisalabad, 2017
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Q 847:Which one of the following metal is brittle?
A
Sodium
B
Aluminium
C
Selenium
D
Magnesium
Bahawalpur, 2017
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Q 848:Which one of the following metals burn with a brick red flame when heated in air.
A
Sodium
B
Magnesium
C
Iron
D
Calcium
Bahawalpur, 2017
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Q 849:Which one of the following substances can be separated by physical means:
A
Mixtures
B
Elements
C
Compounds
D
Radicals
Bahawalpur, 2017
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Q 850:You want to dry a gas which one of the following salt you will use:
A
NaSiO3
B
CaO is more stable than CaCO3
C
NaCl
D
CaCl2
Bahawalpur, 2017
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Total MCQs: 1548Page 85 of 155
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