1995 - WAEC Chemistry Past Questions and Answers - page 2
Sodium chloride cannot conduct electricity in the solid state because it
What mass of copper will be deposited by the liberation of Cu2+ when 0.1F of electricity flows through an aqueous solution of a copper (ll) salt? [Cu = 64]
What mass of copper will be deposited by the liberation of Cu2+ when 0.1F of electricity flows through an aqueous solution of a copper (ll) salt? [Cu = 64]
Which of the following is not correct of the reaction represented by the equation below? 2C(s) + O2(g) → 2CO(g); ∆H = - xKJ
H3O+(aq) + OH-(aq) → 2H2O(l). The heat change accompanying the process represented by the equation above is the heat of
The following statements about graphite are correct except that it
Which of the following is hydrocarbons is unsaturated?
The following can be obtained directly from the destructive distillation of coal except
Fructose and glucose are classified as carbohydrates because they
The gas produced when a mixture of sodium propanoate and soda lime is heated is