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.
Which compound is a component of baking powder?
Na2CO3
Na2SO4
KH2CO3
NaHCO3
NaHSO4
Correct answer is D
No explanation has been provided for this answer.
XY
X2Y
XY2
X3Y2
X2Y3
Correct answer is E
Element X is aluminum of valency 3+
Element Y is oxygen of valency 2-
Their combination is \(Al_{2}O_{3}\)
164 cm3
168 cm3
179.1.cm3
201.5cm3
546 cm3
Correct answer is B
No explanation has been provided for this answer.
A measure of the degree of disorderliness in a chemical system is known as the
activation energy
enthalpy
entropy
equilibrium
free energy.
Correct answer is C
No explanation has been provided for this answer.
allotropes of each other.
both disaccharides
dimere of each other.
isomers of each other
isotopes of each other
Correct answer is D
No explanation has been provided for this answer.