Industrial waste gas containing sulfur dioxide is bubbled through water to form an acidic solution, Solution W.
A technician slowly adds Solution W to a flask containing a solution of sodium hydroxide with a pH of 14.
During this process:
Explain how and why the pH changes, and explain why the temperature increases.
Practise Edexcel GCSE Chemistry Acids with exam-style questions for Foundation and Higher tier. 276 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
