1998 - WAEC Chemistry Past Questions and Answers - page 3
21
Petrol consists mainly of
A
polymers
B
alkanoates
C
hydrocarbons
D
alktanols
Ask EduPadi AI for a Detailed Answer
22
Dehydration of ethanol produces
A
ethanoic acid
B
propan-1,2,3-triol
C
ethene
D
ethanal
Ask EduPadi AI for a Detailed Answer
23
When alkanols react with sodium, the ga evolved is
A
hydrogen
B
oxygen
C
methane
D
ethyne
Ask EduPadi AI for a Detailed Answer
24
The products of the reaction between CH3CH 2COOH and CH3OH are H 2
O and
A
CH 3CH2COOCH3
B
CH3CH 2COOCH 2CH 3
C
CH3CH2CH2COOH
D
CH3CH2CH2OH
Ask EduPadi AI for a Detailed Answer
25
A positive reaction to Fehling's test indicates the presence of
A
strach
B
reducing sugars
C
oxidizing agents
D
alkanoic acids
Ask EduPadi AI for a Detailed Answer
26
Which of the following compounds is used as a gaseous fuel?
A
CH 3-COO-CH2-CH3
B
CH 3-CH 2-CH 2-CH 3
C
CHCI 3
D
CH 3-CH2-COOH
Ask EduPadi AI for a Detailed Answer