Physics for IGCSE & O level - The Earth In Space (Section 3 - No. 41)
What should you do if you smell gas in the lab?
Ignore the smell.
Turn off the gas supply, if safe to do so, and inform the instructor.
Light a match to find the leak.
Open the windows to get fresh air.
Explanation
Turn off the gas and inform the instructor is the correct procedure.
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