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 catalyst used in the contact process for the manufacture of tetraoxosulphate (VI) acid is
manganes (IV) oxide
manganese (ll) tetraoxosulphate (VI)
vanadium (V) oxide
iron metal
Correct answer is C
No explanation has been provided for this answer.
Cu (s) + 2HNO 3(aq) → Cu (NO 3) 2(aq) + H 2(g)
Cu (s) + 4HNO 3(aq) → Cu (NO 3) 2(aq) + 2H 2O (1) + 2NO 2(g)
3Cu (s) + 8HNO3(aq) → 3Cu (NO3)2(aq) + 4H2O(1) + 2NO(g)
3Cu(s) + 4HNO3(aq) → 3Cu(NO 3) 2(aq) + 2H 2O (1) + 2NO (g)
Correct answer is B
No explanation has been provided for this answer.
- 2792
+ 2792
- 64
+ 64
Correct answer is D
No explanation has been provided for this answer.
- 2
- 3
- 4
- 5
Correct answer is C
No explanation has been provided for this answer.
Cu 2+ only
H + only
Cu 2+ and H
Cu 2+ and SO 2-
Correct answer is A
No explanation has been provided for this answer.