Chemistry Past Paper Questions

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Q 581:The colour of hydrogen iodide is:
A
Orange
B
Purple
C
Red
D
Colourless
Lahore, 2018
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Q 582:The density of water at 4oC is:
A
1 gm cm-3
B
2 gm cm-3
C
3 gm cm-3
D
4 gm cm-3
Lahore, 2018
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Q 583:The boiling point of sodium chloride is:
A
800oC
B
850oC
C
1412oC
D
1413oC
Lahore, 2018
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Q 584:The bond formed between two non-metals is expected to be:
A
Metallic bond
B
covalent bond
C
Ionic bond
D
Coordinate covalent bond
Lahore, 2018
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Q 585:The electronegativity of fluorine is:
A
3.2
B
3.8
C
4.0
D
3.5
Lahore, 2018
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Q 586:The example of a solution of a solid solute in a solid solvent is:
A
Fog
B
Brass
C
Cheese
D
Air
Lahore, 2018
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Q 587:The heaviest metal is:
A
Iron
B
Platinum
C
Osmium
D
Lead
Lahore, 2018
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Q 588:The molar mass of H2SO4 is:
A
9.8 amu
B
98 amu
C
98 gm
D
9.8 gm
Lahore, 2018
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Q 589:The most abundant metal is:
A
aluminum
B
Gold
C
Silver
D
platinum
Lahore, 2018
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Q 590:The most common example of corrosion is:
A
Rusting of iron
B
Chemical decay
C
Rusting of aluminium
D
Rusting of tin
Lahore, 2018
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Total MCQs: 1548Page 59 of 155
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