Chemistry Past Paper Questions

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Q 381:Chemical formula of Fructose is :
A
C12H22O11
B
C6H12O6
C
C4H10
D
C5H10
Bahawalpur, 2018
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Q 382:For a reaction between PCl3 and Cl2 to form PCl5 the units of Kc are:
A
mol dm3
B
mol-1 dm3
C
mol-1 dm-1
D
mol dm-3
Bahawalpur, 2018
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Q 383:Formula of urea is:
A
NH2COONH4
B
NH2COONH2
C
NH2CONH4
D
NH2CONH2
Bahawalpur, 2018
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Q 384:Functional group -COOH is found in:
A
Carboxylic acids
B
Aldehydes
C
Alcohols
D
Esters
Bahawalpur, 2018
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Q 385:Law of mass action was presented in:
A
1865
B
1867
C
1869
D
1871
Bahawalpur, 2018
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Q 386:Mendeleev Periodic Table was based on:
A
Electronic Configuration
B
Atomic Mass
C
Atomic number
D
Completion of Subshell
Bahawalpur, 2018
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Q 387:How many times are the liquids denser than gases:
A
100 Times
B
1000 Times
C
10,000 Times
D
100,000 Times
Bahawalpur, 2018
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Q 388:Ice Floats on water because :
A
Ice is denser than water
B
Water is denser than ice
C
Ice Molecules move Randomly
D
Water Molecules move Randomly
Bahawalpur, 2018
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Q 389:From left to right, along the period which one of the following decreases:
A
Atomic Radius
B
Ionization Energy
C
Electron Affinity
D
Electronegativity
Bahawalpur, 2018
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Q 390:endeleev Periodic Table was based on:
A
Electronic Configuration
B
Atomic Mass
C
Atomic number
D
Completion of Subshell
Bahawalpur, 2018
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Total MCQs: 1548Page 39 of 155
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