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.
Which of the following is TRUE of Le Chatelier's Principle for an exothermic reaction?
Increase in temperature will cause an increase in the equilibrium constant
Increase in temperature will cause a decrease in the equilibrium constant
Addition of a catalyst will cause an increase in the equilibrium constant
Addition of a catalyst will cause a decrease in the equilibrium constant
Correct answer is B
No explanation has been provided for this answer.
+7 to +2
+6 to +2
+5 to +2
+4 to +2
Correct answer is A
No explanation has been provided for this answer.
An anhydride is an oxide of non-mental?
which will not dissolve in water
whose solution in water has a pH greater than 7
whose solution in water has a pH less than 7
whose solution in water has a pH of 7
Correct answer is C
No explanation has been provided for this answer.
H- + H2(I)O → H2(g) + OH-(aq). From the equation above, it can be inferred that the?
reaction is a double decomposition
hydride ion is a reducing agent
hydride ion is an oxidizing agent
reaction is neutralization
Correct answer is B
No explanation has been provided for this answer.
made both the anode and the cathode
made the cathode
made the anode
dissolved in the solution
Correct answer is C
No explanation has been provided for this answer.