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Free download in PDF CBSE Class 11 Chemistry MCQs with Answers. Here Gkseries provide Chemistry Solve Questions and Answers for CBSE Class 11 Students.
101
The chemical used as a fixer in photography is
[A]
sodium sulphate
[B]
borax
[C]
sodium thiosulphate
[D]
ammonium sulphate
Answer: sodium thiosulphate
102
Which variety of glass is heat resistant?
[A]
pyrex glass
[B]
hard glass
[C]
bottle glass
[D]
flint glass
103
Which synthetic fibre is known as artificial silk?
[A]
Rayon
[B]
Terylene
[C]
Nylon
[D]
Cotton
104
Tobacco is preserved from drying out in
[A]
glycerol
[B]
ethanol
[C]
glycol
[D]
acetone
105
Ruby is an oxide of
[A]
aluminium
[B]
platinum
[C]
gold
[D]
silver
106
Aluminium oxide is a/an
[A]
amphoteric acid
[B]
neutral acid
[C]
acidic oxide
[D]
basic oxide
107
Bauxite is an ore of
[A]
aluminium
[B]
iron
[C]
copper
[D]
zinc
108
Periodic table was given by
[A]
Mendeleef
[B]
Arrhenius
[C]
Lavoisier
[D]
Faraday
109
Aspirin is
[A]
ethyl salicylate
[B]
methyl salicylate
[C]
sodium salicylate
[D]
acetyl salicylic acid
Answer: methyl salicylate
110
Water drops are spherical because of
[A]
polarity
[B]
viscosity
[C]
surface tension
[D]
density is one
111
The concept of ellipitical orbitals was suggested by
[A]
Sommerfeld
[B]
Rutherford
[C]
Neil Bohr
[D]
Thomson
112
DDT is an
[A]
insecticide
[B]
enzyme
[C]
antibiotic
[D]
explosive
113
Which is used to produce artificial rain?
[A]
silver iodide
[B]
silver nitrate
[C]
copper oxide
[D]
sand
114
Oil of vitriol is
[A]
sulphuric acid
[B]
phosphoric acid
[C]
hydrochloric acid
[D]
nitric acid
115
Calcium sulphate is known as
[A]
gypsum salt
[B]
potash alum
[C]
epsom salt
[D]
blue vitriol
116
Epsom salt is chemically known as
[A]
magnesium sulphate
[B]
copper sulphate
[C]
ferrous sulphate
[D]
copper sulphate
Answer: magnesium sulphate
117
The alcohol used in the preparation of dynamite is
[A]
ethyl alcohol
[B]
glycerol
[C]
methyl alcohol
[D]
glycol
118
The element used in lead pencils is
[A]
carbon
[B]
tin
[C]
zinc
[D]
lead
119
Bleaching action of chlorine is by
[A]
oxidation
[B]
reduction
[C]
decomposition
[D]
hydrolysis
120
Nail polish remover contains
[A]
acetone
[B]
petroleum ether
[C]
benzene
[D]
acetic acid
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