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HomeAQA GCSE ChemistryRequired practical: tests for gases, ions and water
AQA · GCSE · Chemistry

Required practical: tests for gases, ions and water
Practice Questions

40 AQA GCSE Chemistry questions on Required practical: tests for gases, ions and water, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Required practical: tests for gases, ions and water

Question 1 · 1 mark · Difficulty 1/3

Which gas relights a glowing splint?

  1. Hydrogen
  2. Chlorine
  3. Oxygen
  4. Carbon dioxide
Show answer & explanation
✓ Answer: COxygen
Award 1 mark. Oxygen supports combustion, so the smouldering wood flares back into flame. Carbon dioxide and chlorine put the splint out and hydrogen burns with a pop instead.
Question 2 · 1 mark · Difficulty 1/3

Which gas gives a squeaky pop when a lighted splint is held at the mouth of the tube?

  1. Oxygen
  2. Nitrogen
  3. Hydrogen
  4. Carbon dioxide
Show answer & explanation
✓ Answer: CHydrogen
Award 1 mark. The hydrogen burns rapidly with the oxygen in the tube, and the small explosion produces the characteristic pop. Oxygen relights a glowing splint rather than popping.
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AQA GCSE Chemistry: Required practical: tests for gases, ions and water FAQ

Is Kramizo free for AQA GCSE students preparing for Chemistry?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Required practical: tests for gases, ions and water practice with other Chemistry topics or even switch to a totally different AQA subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Required practical: tests for gases, ions and water questions aligned to the official AQA GCSE Chemistry syllabus?
Every question is written against the published AQA GCSE Chemistry specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real AQA paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from AQA.
How is Required practical: tests for gases, ions and water typically tested on AQA GCSE Chemistry papers?
Required practical: tests for gases, ions and water appears across multiple question types on real AQA GCSE Chemistry papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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