Ammonium chloride is a white crystalline salt. When heated in a test tube, it decomposes into two gases, ammonia and hydrogen chloride. When these gases cool down near the mouth of the tube, they react together to reform the solid ammonium chloride.
Write a word equation for this reversible reaction, including the correct symbol to show that the reaction can go in both directions.
Practise Edexcel GCSE Chemistry Dynamic equilibria with exam-style questions for Foundation and Higher tier. 30 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.
