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EnglandCombined ScienceQuick questions
Topic 3: Chemical changes
Quick questions on Acids, the pH scale and electrolysis - Edexcel GCSE Combined Science
2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
Write the products when hydrochloric acid reacts with calcium carbonate. [2 marks]
What is q2?Show answer
Name the product at the cathode when molten sodium chloride is electrolysed. [1 mark]
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