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.
Tetraoxosulphate (IV) acid is dibasic
the acid is concentrated
the acid is complately ionized in aqueous solution
tetraxosulphate (IV) ions are very reactive
the acid is highly corrosive
Correct answer is C
No explanation has been provided for this answer.
How many mole of AgNO 3 are there in 500cm3 of 0.01MAgNO3 solution?
0.005 mole
0.05 mole
0.5 mole
5 moles
1 mole
Correct answer is A
No explanation has been provided for this answer.
The following alloys contain copper except
magnalium
duralumn
bronze
brass
type metal
Correct answer is A
No explanation has been provided for this answer.
Ca(HCO 3)2 → CaCO3 + H2O + CO2
MgSO4 + Na 2CO3 + Na 2SO
Ca(OH) 2 + 2HCI → CaCI 2 + 2H 2O
Ca(HCO3)2 + Ca(OH)3 → 2CaCO3 + 2H2O
MgSO4 + BaCI2 → MgCI2 + BaSO4
Correct answer is B
No explanation has been provided for this answer.
+2 to + 6
+ 4 to + 6
0 to + 6
- 2 to + 4
+2 to + 4
Correct answer is B
No explanation has been provided for this answer.