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 products of the thermal decomposition of ammonium trioxonitrate (V) are
NO 2 and oxygen
NH3 and oxygen
nitrogen and water
N2O and water
Correct answer is D
No explanation has been provided for this answer.
Bleaching powder, CaOCI2, H2O, deteriorates on exposure to air because
it loses its water of crystallization
atmospheric nitrogen displaces chlorine from it
carbon (IV) oxide of the atmosphere displaceschlorine from it
bleaching agents should be stored in solution
Correct answer is C
No explanation has been provided for this answer.
l
ll
l and lll
lll and lV
Correct answer is B
No explanation has been provided for this answer.
an oxidant
a reductant
a solvent
a catalyst
Correct answer is A
No explanation has been provided for this answer.
Some products of destructive distillation of coal are?
carbon (IV) oxide and ethanoic acid
trioxocarbonate (IV) acid and methanoic acid
producer gas and water gas
coke and ammoniacal liquor
Correct answer is D
Heating coal, in the absence of air, is known as destructive distillation of coal. It yields various useful products like coke, coal gas, coal tar, and ammoniacal liquor.