Chemistry Past Questions and Answers

Four element P,Q, R and S, have 1, 2, 3, and 7 electrons in their outermost shells respectively. <br/>The element which is unlikely to be a metal is ____________

The pollutants that are likely to be present in an industrial environment are ____________

An emulsion paint consist of ____________

A Sample of orange juice was found to have a pH of 3.80. What is the concentration of hydroxide ion in the juice?

Copper (II) tetraoxosulphate(VI) solution is electrolyzed using carbon electrodes. <br/>which of the following are produced at the anode and cathode respectively