Learn more about the properties, composition, and structure of substances (elements and compounds) with these Chemistry questions and answers. This Test can be used by students preparing for Chemistry in JAMB, WAEC, NECO or Post UTME.
The function of conc. H2SO4 in the esterification of ethanoic acid with ethanol is to
serve as a dehydrating agent
serve as a solvent
act as a catalyst
prevent any side reaction
serve as an oxidizing agent
Correct answer is C
No explanation has been provided for this answer.
a polymerization reaction
an isomerization reaction
an addition reaction
a substitution reaction
a reduction reaction
Correct answer is D
No explanation has been provided for this answer.
are all gases
have the general formula CnH2n + 2O
contain only carbon and hydrogen
are usually soluble in water
are usually active compounds
Correct answer is C
No explanation has been provided for this answer.
Sodium hydroxide (NaOH) pellets are
deliquescent
hygroscopic
efflorescent
hydrated
fluorescent
Correct answer is A
No explanation has been provided for this answer.
Water is said to be 'hard' if it
easily forms ice
has to be warmed before sodium chloride dissolves in it
froms an insoluble scum with soap
contains nitrates
contains sodium ions
Correct answer is C
No explanation has been provided for this answer.