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 reaction that takes place in Daniell cell is
direct combination
redox
double decomposition
neutralization
Correct answer is B
No explanation has been provided for this answer.
slow downthe reverse reaction
have no effect on the reaction
favour the reverse reaction
favour the forward reaction
Correct answer is C
No explanation has been provided for this answer.
oxygen and leaving behind aqueous hydrochloric acid
chlorine and oxygen
oxygen, hydrogen and chlorine
oxygen, thereby producing hypochlorous acid
Correct answer is A
No explanation has been provided for this answer.
Which of the following sets of metals dissolves in dilute HCl?
Fe, Sn and Cu
Mg, Fe and Cu
Mg, Sn and Fe
Cu, Mg and Sn
Correct answer is C
No explanation has been provided for this answer.
Copper and silver metals are commonly use as coin because they are
easily reduced
not easily reduced
easily oxidized
not easily oxidized
Correct answer is D
No explanation has been provided for this answer.