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.
Cu
CuO
H2
H2O
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements about an electrochemical cell is correct? Oxidation occurs
At the anode
At the cathode
Through the salt bridge
In the aqueous solution
Correct answer is A
No explanation has been provided for this answer.
A change in the temperature of a saturated solution disturbs the equilibrium between the
Undissolved solute and the solvent
Dissolved solute and the solvent
Dissolved solute and the undissolved solute
Dissolved solute and the solution
Correct answer is C
No explanation has been provided for this answer.
A substance which dissolves readily in organic solvent would
Be a covalent compound
Have strong electrostatic forces of attraction
have a high melting point
Conduct electricity in molten state
Correct answer is A
No explanation has been provided for this answer.
Which of the following compounds is the least soluble in water?
CaCl2
CaSO4
NaCl
Na2SO4
Correct answer is B
No explanation has been provided for this answer.