Neutralisation
Q1.
A solution of Y was slowly added to a solution of X. The graph shows how the pH of the resulting solution changed.
 
          (a)     (i)      What was the pH of solution X before any of solution Y was added?
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(1)
(ii)     State whether solution Y was acidic, alkaline or neutral.
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(1)
(iii)     What volume of solution Y was needed to react with all of the substance in solution X?
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(1)
(b)     The chemical equation shows the reaction between an acid and an alkali to form a salt and water.
(i)      Draw a circle round the formula of the alkali.
H2SO4     +    2KOH     →      K2SO4     +    2H2O
(1)
(ii)     What is the formula of the salt?
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(1)
(Total 5 marks)

Q2.
Here is a word equation for a chemical reaction.
copper oxide   +   sulphuric acid      copper sulphate   +   water
Write down everything that the word equation tells you about the reaction.
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(Total 4 marks)