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.
Which of the following compounds would react with ethanoic acid to give a sweet smelling liquid?
Alkane
Alkanol
Alkanal
Alkyne
Correct answer is B
No explanation has been provided for this answer.
Which of the following compounds determines the octane rating of petrol?
1,2,3 - trimethlpentane
2,3,5 - trimethyloctane
2,3,5 - trimethylpentane
2,2,4 - trimethylpentane
Correct answer is D
No explanation has been provided for this answer.
electrons flow from the metal electrode, M(s) to hydrogen electrode, H2(g)
electrons fow from hydrogen electrode, H2(g) to metal electrode, M(s)
the flow of current is high
there is equilibrium between the flow of electrons from the hydrogen electrode, H2(g) to metal electrode, M(s)
Correct answer is B
No explanation has been provided for this answer.
Copper
Lead
Magnesium
Silver
Correct answer is C
No explanation has been provided for this answer.
5.9 g
11.8 g
23.8 g
47.3 g
Correct answer is B
No explanation has been provided for this answer.