Chemistry MCQS with Answers for NTS
1.5057 x 1024
Castor oil
NAT-I-ILM-Chemistry-0146
Fuming of H2SO4
Oleum is
A certain liberate 0.5 g of hydrogen in 2 h. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphare solution?
63.5 gm
12.7 gm
31.8 gm
15.9 gm
In cold countries ethylene glycol is added to water in radiators of cars during winter It result in
Lowering in b.pt.
Lowering in freezing pt.
Reducing specific heat
Reducing viscosity
Which of the following has greatest tendency to lose electron?
F
S
Fr
Be
Addition of iron filling to CuSO4 solution caused precipitation of Cu awing to the
Reduction of Fe3+
Oxidation of Cu2+
Reduction of Fe
Reduction of Cu2+
Sodium metal cannot be stored under
Kerosene oil
Toluene
Benzene
Alcohol
The halide which is not hydrolysed is
SiCI4
SiF4
PbCI4
CCI4
Causticisation process is used for the preparation of
Caustic potash
Caustic soda
Baryata solution
Slaked lime
Gooch crucible used to filter the solution of
Both B & C
HCI
H2SO4
KMnO4
In Friedal-Craft’s alkylation besides AICI3 the other reactants are
C6H6 + CH4
C6H6 + CH3COCI
C6H6 + NH3
C6H6 + CH3CI
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