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.
Hydrogen bonds are formed between molecules containing a hydrogen atom bonded to a
strongly electronegative atom
non-polar species
diatomic element
complex ion
Correct answer is A
No explanation has been provided for this answer.
linear
planar
pyramidal
tetrahedral
Correct answer is D
No explanation has been provided for this answer.
Which of the following substances is mainly responsible for the depletion of the ozone layer?
Oxgyen
Chlorofluorocarbon
Carbon (ll) oxide
Nitrogen (ll) oxide
Correct answer is B
Ozone depletion occurs when chlorofluorocarbons (CFCs) and halons—gases formerly found in aerosol spray cans and refrigerants—are released into the atmosphere
A metal that is widely used in the manufacture of paints and overhead electric cables is
aluminium
copper
iron
lead
Correct answer is A
No explanation has been provided for this answer.