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.
greater stability in solution
lower electrical charge
smaller mass
stronger tendency to accept electrons
stronger tendency to lose electrons.
Correct answer is D
In an electrolytic cell, when two metallic ions of the same concentration migrate to a graphite cathode, the one that would be preferentially discharged is the one that has the stronger tendency to accept electrons and become a neutral atom.
The planet with the highest number of moon is
Earth
Jupiter
Uranus
Pluto
Venus
Correct answer is B
The planet with the most moons in the Solar System is Jupiter, with a total of 63 confirmed moons (as of 2009).
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.