1998
What is the function of sulphur (IV) oxide in the reaction represented by the following equation? SO 2(aq) + 2H2S(g) → 3S (s) + 2H 2O (l)
See more
1998 WAEC SSCE Chemistry Past Questions
Ulearngo is an independent study app. It is not affiliated with, endorsed by, or representing West African Examinations Council (WAEC). Always confirm official exam, admission, registration, syllabus, timetable, and result information from WAEC official website, WAEC Nigeria.
1998
Which of the following methods is suitable for the preparation of an insoluble salt?
See more
1998
Which of the following is not a property of trioxonitrate (V) salts?
See more
1998
The spontaneity of a chemical reaction is determined by the change in the
See more
1998
Which of the following can be added to dissolve the precipitate formed in the reaction represented by the following equation? CaCl2(aq) + H2C2O4(s) ↔ CaC2O4(s)
See more
1998
Pipe-borne water is usually chlorinated in order to
See more
1998
Substances which absorb water from the atmosphere without dissolving in it are sid to be
See more
1998
How many electrons are removed from Cr2- when it is oxidized to CrO42-?
See more
1998
A device used in the laboratory for intermittent production of gases without heating is
See more
1998
Metals are said to be malleable because they
See more
1998
Aluminium is extracted from
See more
1998
Rusting of iron is an example of
See more
1998
Two metallic ions commonly present in hard water are
See more
1998
Dehydration of ethanol produces
See more
1998
Petrol consists mainly of
See more
1998
Which of the following alkanes has the highest boiling point?
See more
1998
The liquid product of the destructive distillation of coal is
See more
1998
Which of the following can undergo both addition reactions and substitution reactions?
See more
1998
Which of the following compounds is used as a gaseous fuel?
See more
1998
A positive reaction to Fehling's test indicates the presence of
See more