Chemistry Past Paper Questions

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Q 521:Refractive index of air is:
A
1.00
B
1.31
C
1.33
D
1.36
Gujranwala, 2018
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Q 522:Release of energy by the sun is due to :
A
Nuclear Fission
B
Nuclear Fusion
C
Burning of Gases
D
Chemical reaction
Gujranwala, 2018
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Q 523:The acid present in sour milk is:
A
Lactic acid
B
Formic Acid
C
Tartaric Acid
D
Uric acid
Gujranwala, 2018
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Q 524:The conjugate acid of HPO2-4 is:
A
PO34
B
H2PO2-4
C
H2PO-4
D
H3PO4
Gujranwala, 2018
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Q 525:The basic operations performed by a computer are:
A
Arithematic Operations
B
Non-Arithematic Operations
C
Logical Operations
D
Both a and c
Gujranwala, 2018
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Q 526:The colloidal solutions are also known as:
A
True solution
B
Molar solutions
C
False solutions
D
Standard solution
Gujranwala, 2018
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Q 527:The example of solution of liquid in solid is:
A
butter
B
fog
C
mist
D
opals
Gujranwala, 2018
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Q 528:The lowest electronegativity among halogen is:
A
Fluorine
B
Chlorine
C
Bromine
D
Iodine
Gujranwala, 2018
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Q 529:The addition of oxygen in chemical reaction is called:
A
reduction
B
oxidation
C
evaporation
D
conduction
Gujranwala, 2018
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Q 530:Sixth period is called as:
A
Short period
B
normal period
C
long period
D
very long Period
Gujranwala, 2018
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Total MCQs: 1548Page 53 of 155
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