Which of the following has the correct pH values for acids, alkalis and neutral solutions?
Acid \(pH \textless 7\), Alkali \(pH \textgreater 7\) and Neutral \(pH = 7\)
Acid \(pH \textgreater 7\), Alkali \(pH \textless 7\) and Neutral \(pH = 7\)
Acid \(pH \textless 7\), Alkali \(pH = 7\) and Neutral \(pH \textgreater 7\)
What type of solution would be formed when sulfur dioxide dissolves in water?
Alkaline solution
Acidic solution
Neutral solution
What would be the pH of the solution formed when sodium oxide dissolves in water?
Above 7
Equal to 7
Less than 7
Potassium chloride dissolves to form a neutral solution. What does this tell you about the ions involved?
There are more hydrogen ions than hydroxide ions
There are more hydroxide ions than hydrogen ions
There are the same concentrations of hydrogen ions as hydroxide ions
Which salt is made when calcium carbonate reacts with hydrochloric acid?
Sodium chloride
Calcium chloride
Carbon chloride
Which of the following are the correct products from the reaction between magnesium hydroxide and sulfuric acid?
Magnesium sulfate + water
Magnesium sulfate + water + carbon dioxide
Magnesium sulfate + hydrogen
Omitting the spectator ions, which of the following is the ionic equation for the reaction of an acid and an alkali?
\[{H^ + }(aq) + O{H^ - } \to {H_2}O\]
\[2{H^ + }(aq) + CO_3^{2 - } \to {H_2}O(l) + C{O_2}(g)\]
\[2{H^ + }(aq) + {O^{2 - }} \to {H_2}O(l)\]
What is the name of this piece of apparatus, used when carrying out a titration experiment?
Burette
Pipette
Pipette filler
If equal volumes of equimolar (same concentration) solutions of the chemicals below were measured, which would contain the most hydrogen ions?
Sodium sulfate
Lithium carbonate
Nitric acid
Which of the following happens to the pH of an acid when it is neutralised?
The pH does not change
The pH increases towards 7
The pH decreases towards 7