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AQA GCSE COMBINED SCIENCE: TRILOGY Higher Tier
This question is about carbon dioxide.
Carbon dioxide is soluble in water and forms an acidic solution.
0 1 . 1 Which ion makes the solution acidic?
[1 mark]
0 1 . 2 Name an indicator that could be used to test if the solution is acidic.
Give the result of the test.
[2 marks]
Indicator
Result
Question 1 continues on the next page
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IB/M/Jun23/
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- • 3 artículos •
- AQA GCSE COMBINED SCIENCE: TRILOGY Higher Tier CHEMESTRY Paper 1 8464/C/1H||QUESTIONS & MARKING SCHEME MERGED ||GRADED A+ • Examen
- AQA GCSE COMBINED SCIENCE: TRILOGY Higher Tier BIOLOGY Paper 1H 8464/B/1H||QUESTIONS & MARKING SCHEME MERGED||GRADED A+ • Examen
- AQA GCSE COMBINED SCIENCE: TRILOGY Higher Tier BIOLOGY Paper 2H 8464/B/2H||QUESTIONS & MARKING SCHEME MERGED||GRADED A • Examen
AQA GCSE COMBINED SCIENCE: TRILOGY FOUNDATION TIER
A scientist investigated the radiation emitted by different radioactive isotopes.
The scientist had a sample of polonium-210.
The radiation emitted by polonium-210 can be represented by the symbol 2 He 4 .
0 1 . 1 Which type of radiation can be represented by the symbol 2 He 4 ?
[1 mark]
Tick () one box.
Alpha
Beta
Gamma
0 1 . 2 How many protons a
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- • 5 artículos •
- AQA GCSE COMBINED SCIENCE: TRILOGY Foundation Tier PHYSICS Paper 1 8464/P/1F||QUESTIONS & MARKING SCHEME MERGED|| • Examen
- AQA GCSE COMBINED SCIENCE: TRILOGY Foundation Tier PHYSICS Paper 1 8464/P/1F||QUESTIONS & MARKING SCHEME MERGED|| • Examen
- AQA GCSE COMBINED SCIENCE: TRILOGY Foundation Tier CHEMESTRY Paper 2F 8464/C/2F||QUESTIONS & MARKING SCHEME MERGED||GRADED A+|| • Examen
- AQA GCSE COMBINED SCIENCE: TRILOGY Foundation Tier BIOLOGY Paper 2F 8464/B/2F||MERGED||RATED 100% • Examen
- AQA GCSE COMBINED SCIENCE: TRILOGY Foundation Tier PHYSICS Paper 2 8464/P/2F||QUESTIONS & MARKING SCHEME MERGED||GRADED A+ • Examen