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.
Chlorine displaces bromine from aqueous potassium bromide because
bromine is a liquid at room temperature
bromine is weakly acidic.
bromine has a greater atomic radius than chlorine
chlorine is a stronger oxidising agent than bromine.
the density of chlorine is less than the density of bromine.
Correct answer is D
No explanation has been provided for this answer.
The pH of water is 7.
What is the pH of orange juice?
7
above 10
below 2
between 5.5 and 6.5
between 7.5 and 8.5
Correct answer is D
No explanation has been provided for this answer.
acquire certain colours
easier to melt
easier to mould
little brittle
more transparent
Correct answer is A
No explanation has been provided for this answer.
Which separation technique is routinely applied in the petroleum industry?
chromatography
distillation
evaporation
fractional crystallization
fractional distillation
Correct answer is E
No explanation has been provided for this answer.
Which metal is extracted from bauxite?
aluminium
calcium
copper
magnesium
tin
Correct answer is A
No explanation has been provided for this answer.