Key term for OCR GCSE Chemistry B, used in Atmospheric changes over time.
The specific audible observation confirming the presence of hydrogen gas, caused by its rapid combustion with oxygen in the air.
Squeaky pop appears in OCR GCSE Chemistry B revision content for Air and water, especially Atmospheric changes over time and Gas tests.
Create a free account to access OCR GCSE Chemistry B revision notes, track progress, and practise related key terms.
