Chemistry MCQS for Class 10 Chapter 4

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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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