The gas responsible for most of the fatal explosions in coal mines is
butane
ethene
ethane
methane
Correct answer is D
No explanation has been provided for this answer.
The alkaline hydrolysis of fats and oils produces soap and
propane 1, 1, 3 - triol
propane - 1,2,3 - triol
propane - 1,3,3 - triol
propane - 1, 2, 2 - triol
Correct answer is B
No explanation has been provided for this answer.
The bond which joins two ethanoic acid molecules in the liquid state is
a covalent bond
an ionic bond
a dative covalent bond
a hydrogen bond
Correct answer is D
No explanation has been provided for this answer.
The reaction between ethanoic acid and sodium hydroxide is an example of
esterification
neutralization
hydroxylation
hydrolysis
Correct answer is B
No explanation has been provided for this answer.
Vulcanization of rubber is a process by which
isoprene units are joined to produce rubber
rubber latex is coagulated
sulphur is chemically combined in the rubber
water is removed from the rubber
Correct answer is C
No explanation has been provided for this answer.