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 decolourization of purple colour of tetraoxomanganate (VII) ion is a test for
alkenes
alkanols
alkanals
alkanes
Correct answer is A
No explanation has been provided for this answer.
The enzymes responsible for converting sucrose into two simple isomeric sugars is
maltase
amylase
invertase
lactase
Correct answer is C
No explanation has been provided for this answer.
What will happen if an aluminium spoon is used to stir a solution of iron (II) trioxonitrates (V)?
The spoon will be oxidized while the iron (II) ions will be reduced to the metal
The spoon will increase in size
The spoon will be reduced while the iron (II) ions will be oxidized
The spoon will be reduced
Correct answer is A
No explanation has been provided for this answer.
What is the correct IUPAC name for NO\(_{2} ^{-}\)?
Dioxonitrate (IV) ion
Trioxonitrate (III) ion
Trioxonitrate (IV) ion
Dioxonitrate (III) ion
Correct answer is D
No explanation has been provided for this answer.
NaHSO4
Na2SO3
NaHSO3
Na2SO4
Correct answer is B
No explanation has been provided for this answer.