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What is the test for oxygen gas? A - OCR Gateway - GCSE Chemistry Combined Science - Question 2 - 2022 - Paper 1
Question 2
What is the test for oxygen gas? A. It goes 'pop' when lit. B. It relights a glowing splint. C. It turns damp red litmus paper blue. D. It turns limewater cloudy... show full transcript
Worked Solution & Example Answer:What is the test for oxygen gas? A - OCR Gateway - GCSE Chemistry Combined Science - Question 2 - 2022 - Paper 1
Step 1
B. It relights a glowing splint.
Answer
The test for oxygen gas involves the use of a glowing splint. When a glowing splint is introduced into a sample of oxygen, it will reignite, indicating the presence of the gas. This is a classic test used in chemistry to confirm the existence of oxygen. The other options provided do not correctly identify the characteristic behavior of oxygen gas.