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.
Decantation
Chromatography
Distillation
Filtration
Evaporation
Correct answer is B
No explanation has been provided for this answer.
Which of the following reaction will not take place under normal conditions?
Zn(s) + 2HCI2(aq) + H 2(g)
Fe (s) + H 2SO4(aq) → FeSO4(aq) + H2(g)
Cu (s) + 2HCI (aq) → CuCI 2(aq) + H2(g)
Ca(s) + 2H Ca(OH)2(g)
2Na(s) + 2H 2O (1) → 2NaOH(aq) + H2(g)
Correct answer is C
No explanation has been provided for this answer.
Catalytic hydrogenation of oils results in the production of
soaps
detergents
alkanes
butter
margarine
Correct answer is E
No explanation has been provided for this answer.
+0.426V
-0.426V
-0.337V
-1.10V
+1.10V
Correct answer is E
No explanation has been provided for this answer.
The oxidation number of chlorine is + 1 in
KCIO 3
CI 2O 7
ZnCI2
HCI
NaCIO
Correct answer is E
No explanation has been provided for this answer.