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.
Pipe-borne water is usually chlorinated in order to
coagulate sediments in the water
improve taste of the water
kill harmful bacteria in the water
make it pure
remove the hardness in the water
Correct answer is C
No explanation has been provided for this answer.
The rate of a chemical reaction is NOT affected by one of these factors
colour
concentration
presence of light
surface area
temperature
Correct answer is A
No explanation has been provided for this answer.
The molecular formula of ethylbutanoate is?
CH5COOC26
C3HCOOC2H7
C3H7COOC3H7
C3H7COOC4H9
C3H7COOC2H5
Correct answer is E
No explanation has been provided for this answer.
Which of the following is a component of the car exhaust?
Aluminium
Calcium
Iron
Zinc
Lead
Correct answer is E
No explanation has been provided for this answer.
Adding some distilled water
Decreasing the temperature
Diluting the hydrochloric acid
Grinding the metal into powder
Increasing the pressure
Correct answer is D
No explanation has been provided for this answer.