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Acids can undergo neutralisation to form salts - Edexcel - GCSE Chemistry - Question 2 - 2017 - Paper 1
Question 2
Acids can undergo neutralisation to form salts. (a) Complete the sentence by putting a cross (X) in the box next to your answer. An acid reacts with a metal oxide ... show full transcript
Worked Solution & Example Answer:Acids can undergo neutralisation to form salts - Edexcel - GCSE Chemistry - Question 2 - 2017 - Paper 1
Step 1
Step 2
Describe what you would see when solid calcium carbonate reacts with dilute hydrochloric acid.
Answer
When solid calcium carbonate reacts with dilute hydrochloric acid, you would see the following:
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Fizzling or Bubbling: The reaction produces carbon dioxide gas, which causes visible bubbles or fizzing.
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Disappearance of Solid: The solid calcium carbonate will gradually disappear as it reacts with the acid.
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Formation of a Liquid: The reaction also forms a liquid solution that appears clear after the solid has fully reacted.