Chemistry · Quick practice · answer shown after each question
Question 1 of 10
The gas that turns lime water milky is ___.
Question 2 of 10
The method used to make a soluble salt from two soluble reactants (acid and alkali) is ___.
Question 3 of 10
The precipitate formed in the test for chloride ions with silver nitrate is silver ___.
Question 4 of 10
Adding acidified barium chloride to a solution gives a white precipitate. The solution contains
Question 5 of 10
A solution X gives the following results. (i) With NaOH(aq), a white precipitate forms which dissolves in excess. (ii) With NH₃(aq), a white precipitate forms which dissolves in excess. (iii) With acidified BaCl₂(aq), a white precipitate forms. Identify the cation and anion in X and explain each result.
Question 6 of 10
The test for the nitrate ion uses
Question 7 of 10
State the tests and observations for the gases (a) hydrogen, (b) oxygen, (c) carbon dioxide, (d) ammonia, (e) chlorine.
Question 8 of 10
An insoluble salt such as barium sulphate is best prepared by
Question 9 of 10
The flame colour of copper(II) ions is ___.
Question 10 of 10
Silver iodide is a white precipitate.
Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.