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10th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Which compound do not produce in the halogenation of methane.
Choose an answer
Chloroform
Carbon tetrachloride
Carbon black
Chloromethane
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Question # 2
Which colour of HI is ?
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Orange
Purple
Red
Colourless
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Question # 3
Mesophere extend forms 50 km to:
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50 km
12 km
60 km
85 km
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Question # 4
Hydrogenation of alkenes and alkynes takes place at room temperature in the presence of.
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Ni
Pt
Pd
Both a and b
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Question # 5
An equilibrium is achievable only in a:
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big system
small system
open system
closed system
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Question # 6
Blonde hair contains compounds of:
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molybdenum
iron
titanium
copper
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Question # 7
Coal is blackish complex mixture of compounds of
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Carbon
Hydrogen
oxygen
All
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Question # 8
Which one of the following is not a fraction of petroleum?
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Kerosene oil
Diesel oil
Alcohol
Petrol
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Question # 9
A conjugate acid is a specie formed by accepting a.
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Proton
Electron pair
Neutron
Electron
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Question # 10
How many % age of nitrogen in urea fertilizers?
Choose an answer
40.6
45.6
46.6
50
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Question # 11
Which one of the following is used as jet fuel.
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Kerosene oil
Lubricating oil
Fuel oil
Diesel oil
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Question # 12
Acids have taste
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Bitter
Seetish
Sour
Saltish
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Question # 13
According to Lewis concept a base is a substance which can donate.
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Proton
Electron pair
Neutron
Electron
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