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 of the following features of a human skeleton can be determined by carbon-dating?
Height
Mass
Age
Race
Correct answer is C
No explanation has been provided for this answer.
alpha particles and gamma rays
alpha and beta particles
beta particles and gamma rays
alpha particles only
Correct answer is C
No explanation has been provided for this answer.
Which of the following compounds is covalent?
CaCI2
MgO
NaN
CH4
Correct answer is D
No explanation has been provided for this answer.
What is responsible for metallic bonding?
Sharing of electrons between the metal atoms
Attraction between the atomic unclei and cloud of electrons
transfer of electrons from one atom to another
Attraction between positive and negative ions
Correct answer is B
No explanation has been provided for this answer.
The presence of unpaired electrons in an atom of a transition metal gives rise to
paramagnetism
nalleability
ductility
shiny appearance
Correct answer is A
No explanation has been provided for this answer.