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.
oxygen and hydrogen
Hydrogen and nitrogen
nitrogen and oxygen
nitrogen and carbon (ll) oxide
hydrogen and carbon (ll) oxide
Correct answer is D
No explanation has been provided for this answer.
In which of the following pairs are both substances deliquescent?
CaCI2 and H2SO4
NaOH and MgSO4 7H2O
CaCI2 and NaOH
CUO and NaCI
CaCO3 and MgCI2
Correct answer is C
No explanation has been provided for this answer.
Which of the following compounds of tin is a strong reducing agent?
SnCI2
SnCI4
SnO2
SnH4
Sn(OH)2
Correct answer is D
No explanation has been provided for this answer.
When the trioxonitrate (IV) salt of an alkali metal Y is heated, the formula of the residue is
Y2O
YNO2
Y2O3
Y (NO2)2
YO2
Correct answer is B
No explanation has been provided for this answer.
Examples of polymers include the following except
starch
nylon
wool
perspex
glass
Correct answer is E
No explanation has been provided for this answer.