Chemistry MCQS for Class 10
Which of the following gas is used in warfare?
Ethane gas
Mustard gas
Methane
None of these
Alkanes do not react in
Bright sunlight
Diffused sunlight
None of these
Dark
Which are called paraffines?
Alkyle
Alkenes
Alkanes
Alkynes
The end product of oxidation of acetylene is.
Ethan glycol
Glyoxal
Propen glycol
Oxalic acid
The process which convert vegetable oil into banaspati ghee called.
None of these
a and b
Halogenation
Hydrogenation
The reduction of alkyl halides takes place in the presence of.
Na/HCl
Mg/HCl
Cu/HCl
Zn/HCl
When bromine water is added to acetylene its red-brown colour is changed into:
red
discharged
violet
green
Oxidation of alkenes produce.
Formic acid
Glyoxal
Oxalic acid
Glycol
Alkanes give reaction only
Decomposition
Displacement
Addition
Substitution
Dehalogenation of Tetrahalides takes place in the presence of .
Na
Mg
Zn dust
K
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