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 equipment is not used to detect radioactivity?
Wilson cloud chamber
Geiger- muller counter
Mass spectrometer
Photographic plate
Correct answer is C
No explanation has been provided for this answer.
metallic bonding
ionic bonding
covalent bonding
dative bonding
Correct answer is B
No explanation has been provided for this answer.
A metal X forms two chlorides with the formulae XCI2 and XCI3. Where is X in the Periodic Table?
Group ll
Group llI
d-block
s-block
Correct answer is C
No explanation has been provided for this answer.
One of the characteristics of transition metals is
reducing ability
ductility
ability to conduct electricity
formation of coloured ions
Correct answer is D
No explanation has been provided for this answer.
A nuclide emits a beta-particle (e) in the process, that atomic number
increases by 1 while the mass numer remains constant
decreases by 2 while the mass number remains constant
remains constant while the mass number decreases by 2
remains constant while the mass number increases by 1
Correct answer is A
No explanation has been provided for this answer.