Chemistry MCQS for Class 10
The 1st organic compound prepared in laboratory.
Pyridine
Thiourea
NaCl
Urea
The ability of carbon atoms to form chains or ring called.
Cantenation
Halogenation
Chlorination
Hydrogenation
____________ is synthetic fiber.
Woal
Nylon
Silk
Cotton
General formula of alkyl radical is
CnH2n-
CnH2n
CnH2n+2
CnH2n+1
Conversion of dead plants into coal by the action of bacteria and heat is called.
Catenation
Carbonization
Hydrogenation
Cracking
Functional group of Alcohols is
-C=0
#NAME?
C-O-C
#NAME?
Coal is blackish complex mixture of compounds of
Carbon
All
oxygen
Hydrogen
Formula of Methyl alcohol
All of them
None of these
CH3-CH2-OH
CH5-OH
Who put forward the vital force theory?
Wohler
Dalton
Lavoisier
Berzelius
Number of discovered element till today are.
118
16
140
90
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