Question

1. Use what you know about gases to explain what happens when you pump up a bicycle tyre to make
it hard.​

Answer 1

Answer:

Modern gas pumps are often used by mountain bike or road bike racers who need to save weight, and to save time if they puncture during a race. They can be a one-time pump or a pump that can be fitted with a replacement cartridge. Most pumps use carbon dioxide and standard-threaded 16g CO2 canisters