Chemistry MCQS for Class 10
How many percent of natural gas is consisted of methane.
85%
60%
70%
80%
If an organic compound has 4 carbon atoms, all singly bonded, it will have the following characteristics except one.
It will hav 8 hydrogen atoms
Its name will be n-butane.
It will be saturated hydrocarbon
It will be least reactive.
Which one of the following is gas at room temperature:
C6H14
C6H6
C2H6
C8H18
How trace amount of acetylene present in the coat gas.
0.08%
0.06%
0.07%
0.09%
In which one of the following is a substitution reaction?
Halogenations of alkanes
Bromination of alkenes
Halogenations of alkenes
Halogenations of alkynes
Which hydrocarbon has no effect on an aqueous solution of bromine.
C10H20
C2H2
C2H4
CH4
____________ use for ripening of fruits.
Propane
Ethane
Ethene
Ethyne
Oxidation of Ethene with KMnO4 produces.
Glyoxal
Ethene Glycol
Oxalic acid
Propene glycol
Which is present 85% in natural gas?
Methane
Butane
Ethane
Propane
Which one of these hydrocarbon molecules would have no effect on an aqueous solution of bromine?
C2H2
CH4
C10H20
C2H4
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