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 major constituent of air is
nitrogen
carbon dioxide
oxygen
hydrogen
Correct answer is A
No explanation has been provided for this answer.
5x/36
5x
7.2 x
x/6
Correct answer is A
No explanation has been provided for this answer.
The iron ore magnetite consists of
Fe2O3
Fe3OH4
FeCO3
3Fe2O3 .. 3H2O
Correct answer is A
No explanation has been provided for this answer.
The high reactivity of fluorine is due to
its high electro negativity
small size of fluorine atom
availability of d-orbitals
strong F - F bond
Correct answer is A
No explanation has been provided for this answer.
The molecule which has the highest percentage of ionic character among the following is
HI
HF
HCI
HBr
Correct answer is B
No explanation has been provided for this answer.