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Online Tests
10th Class Chemistry English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Which is the substitution reaction in the following?
Choose an answer
Halogenation of alkenes
Halogenation of alkynes
Bromination of alkene
Halogenation of alkanes
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Question # 2
In solvay's process slaked lime is used to:
Choose an answer
Prepare CO
2
Prepare quick lime
Recover ammonia
Form Na
2
CO
3
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Question # 3
The waste products driven out because of the combustion of fossil fuels.
Choose an answer
Primary pollutant
Secondary pollutant
Tertiary pollutant.
None of them
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Question # 4
The process of removal of gangue form the ore is technically known as:
Choose an answer
concentration
purification process
metallurgy
refining
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Question # 5
In laboratory urea was prepared by
Choose an answer
Wohler
Rutherford
Berzelius
Dalton
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Question # 6
Which type of reactions do not go to completion?
Choose an answer
Irreversible reaction
Reversible reactions
Addition reactions
Decomposition reactions
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Question # 7
Coal gas is mixture of
Choose an answer
CO and CH
4
CO . CH
4
. CO
2
CO, CH
4
, H
2
CO, H
2
and CO
2
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Question # 8
Which gas like a glass wall of g green house:
Choose an answer
CO
O2
CO2
N2
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Question # 9
Methyl butanoate smell like.
Choose an answer
Apple
Mange
Lemon
Grapes
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Question # 10
In chemical reaction , the substances that combine are called.
Choose an answer
Reactants
Products
Equlibrium
Numerator
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Question # 11
A disease is caused by excess of bile pigments in the blood is.
Choose an answer
Typhoid
Jaundice
Cholera
Dysentery
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Question # 12
The process of roasting during metallurgy of copper is carried out in a special furnace called.
Choose an answer
Blast furnace
Fire furnace
Bessemer converter
Reverberatory furnace
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Question # 13
Open chain compounds are also called:
Choose an answer
aliphatic compounds
alicyclic compounds
aromatic compounds
hydrocarbons
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