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Chemistry 9th Class English Medium Online Test MCQs With Answers
Question # 1
The most common example of corrosion is:
Choose an answer
Chemical decay
Rusting of iron
Rusting of aluminum
Rusting of tin
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Question # 2
In ionic bond complete ________________ of electrons occurs.
Choose an answer
Paring
Sharing
Transfer
None
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Question # 3
1 torr = ?
Choose an answer
1 mm of Hg
1 atm
760 mm of Hg
1 pascal
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Question # 4
The mathematical formula of Charle's law is:
Choose an answer
PV = k
V/T = k
P = VT
T/V = k
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Question # 5
Metals are ________________
Choose an answer
Liquid
Solid
Gas
Malleable
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Question # 6
The atomic number is represented by ____________
Choose an answer
A
Y
X
Z
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Question # 7
The empirical formula of glucose is
Choose an answer
CHO
CH2O
C2HO
CHO2
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Question # 8
The property of being polar in nature is called:
Choose an answer
Polarity
Chemistry
Both
Nil
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Question # 9
Films are coated by special chemical known as ____________ detectors.
Choose an answer
Photographic
Image
Nil
Both
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Question # 10
All chemists invented all except:
Choose an answer
Beakers
Spirit lamp
Funnels
Retorts
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Question # 11
Bucky Balls are used as ________________
Choose an answer
Cutting
Grafting
Lubricants
Nil
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Question # 12
________________ is triangular in shape.
Choose an answer
BCL3
H2O
CO2
NH3
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Question # 13
Tyndall effect is due to:
Choose an answer
block of beam of light
non - scattering of beam of light
scattering of beam of light
passing through beam of light
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