Chemistry Past Paper Questions

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Q 781:Water soluble vitamin is:
A
Vitamin B
B
Vitamin A
C
Vitamin D
D
Vitamin E
Sargodha, 2018
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Q 782:Which acid is found in apple?
A
Uric Acid
B
Formic Acid
C
citric acid
D
Malic acid
Sargodha, 2018
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Q 783:Which disease causes severe diarrhea and can be fatal?
A
Jaundice
B
Cholera
C
Typhoid
D
Hepatitis
Sargodha, 2018
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Q 784:Which gas protects the earth's surface from ultraviolet radiations?
A
CO2
B
CO
C
N2
D
O3
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Q 785:Which of the following has greater electronegativity?
A
Fluorine
B
Cl
C
Br
D
I
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Q 786:Which one of the following halogens has lowest electronegativity?
A
Fluorine
B
Chlorine
C
Bromine
D
Iodine
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Q 787:The most abundant gas found in the atmosphere is:
A
Carbon monoxide
B
Oxygen
C
Nitrogen
D
Argon
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Q 788:The oxidation number of chromium in K2Cr2O7 is:
A
+2
B
+6
C
+7
D
+14
Sargodha, 2018
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Q 789:Triple covalent bond involves how many electrons?
A
Eight
B
Six
C
Four
D
Three
Sargodha, 2018
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Q 790:Tyndall effect is due to:
A
Blockage of beam of light
B
Non scattering of beam of light
C
Scattering of beam of light
D
passage through beam of light
Sargodha, 2018
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Total MCQs: 1548Page 79 of 155
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