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A blue flame, an industrial tank, a molecular structure, and a pipe with a valve wheel in a geometric style.

How fast can you ignite your score in these natural gas and propane quizzes now?

Fuels & Energy Chemistry

ZapStacks

5

Zaps

110

Methane meets mercaptan in a high-stakes race for combustion. You know the blue flame, but do you know the vapor pressure? From shale beds to backyard tanks, natural gas and propane power the world. Don't freeze up now. Ignite your knowledge and prove you can handle the heat.

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ZapStacks

A gas canister, a molecular model, and a lighter with orange flames.
Butane Lighter Fuel
20 Zaps · Hard
An oil derrick, a laboratory flask, a molecular model, and a cracked earth formation.
Fracking Chemistry
25 Zaps · Hard
A large spherical tank with a ladder sits on a ship hull next to a winding orange pipe and a cluster of hexagons.
Liquefied Natural Gas
25 Zaps · Hard
A methane molecule, a lit Bunsen burner, a fuel canister, and an Erlenmeyer flask.
Methane Gas Chemistry
20 Zaps · Medium
A gas cylinder with a flame on top and a pressure gauge, overlaid with a chemical diagram of a propane molecule.
Propane Tank Chemistry
20 Zaps · Hard

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