Chemistry Past Paper Questions

Q 651:At which temperature maximum density of water is 1 gcm-3.
A
0oC
B
4oC
C
80oC
D
100oC
Rawalpindi, 2018
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Q 652:Atomic number of cesium is:
A
55
B
65
C
75
D
85
Rawalpindi, 2018
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Q 653:A metal which is soft and can be cut with knife is:
A
Calcium
B
Sodium
C
Magnesium
D
Iron
Rawalpindi, 2018
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Q 654:An element which occurs in gaseous state is:
A
Mercury
B
Gold
C
Oxygen
D
Sodium
Rawalpindi, 2018
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Q 655:An example of universal solvent is:
A
Benzene
B
Water
C
Alcohol
D
Ether
Rawalpindi, 2018
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Q 656:Anode of Down's cell is made up of:
A
Iron
B
Steel
C
Graphite
D
Zinc
Rawalpindi, 2018
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Q 657:Transfer of electrons between atoms results in:
A
Metallic Bonding
B
Ionic bonding
C
cavalent bonding
D
Coordinate covalent bonding
Multan, 2018
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Q 658:When an electronegative element combines with an electropositive element the type of bonding is:
A
Covalent
B
Ionic
C
Metallic
D
Coordinate Covalent
Multan, 2018
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Q 659:The quantity of water fit for drinking on earth is:
A
0.2%
B
0.4%
C
0.6%
D
0.8%
Multan, 2018
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Q 660:The reduction of Alkyl Halides takes place in the presence of.
A
Zn/HCl
B
Na/HCl
C
Mg/HCl
D
Cu/HCl
Multan, 2018
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Total MCQs: 1548Page 66 of 155