Name That Gas
This gas is created by incomplete combustion and is odourless and tasteless.
What is carbon monoxide (CO)?
Is hydrogen lighter or heavier than air?
What is lighter?
This gas has an explosive range between 5–15% and is commonly found in mines.
What is methane?
Greenish-yellow in color, this gas smells like household bleach.
What is chlorine?
This gas forms from fires, diesel exhaust, and blasting.
What is carbon monoxide?
This gas is part of the air we breathe and helps plants during photosynthesis.
What is oxygen (O₂)?
Is propane lighter or heavier than air?
What is heavier?
With an explosive range of 2.4–9.5%, this gas is used in many heating appliances.
What is propane?
This toxic gas smells like bitter almonds and is produced when cyanide is present.
What is hydrogen cyanide?
Blasting sulphide ores or decomposing organic material in water can release this smelly gas.
What is hydrogen sulphide?
This gas smells like rotten eggs and comes from blasting sulphide ores.
What is hydrogen sulphide (H₂S)?
Which is heavier than air: oxygen or nitrogen?
What is oxygen (O₂)?
Though it’s dangerous, this gas is not explosive and is often exhaled by humans.
What is carbon dioxide?
Commercially manufactured, this gas has a strong fishy smell.
What is MAPP gas?
Welding, blasting, or diesel exhaust can produce this reddish-brown gas
What is nitrogen dioxide?
This gas is found in battery charging and is very light.
What is hydrogen (H₂)?
This gas has a relative density of 1.53 and is heavier than air.
What is carbon dioxide (CO₂)?
This gas has the widest explosive range, from 2.8% all the way up to 81%.
What is acetylene?
This gas smells distinctively and is used in welding applications.
What is acetylene?
When acid contacts cyanide compounds, this extremely toxic gas is formed.
What is hydrogen cyanide?
This gas can come from the decomposition of organic matter and is a major component of natural gas.
What is methane (CH₄)?
Which gas is the heaviest on the chart with a density of 2.62?
What is nitrogen dioxide (NO₂)?
Though often used as a fertilizer component, this gas is also explosive and pungent.
What is ammonia?
You won’t smell this gas even when it’s deadly — it’s colourless, odourless, and tasteless.
What is carbon monoxide?
This gas makes up over 78% of the atmosphere and is not harmful on its own.
What is nitrogen?