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HF burns, not evident until a day after
HF burns, not evident until a day after
Page
Purple glow in its plasma state
Purple glow in its plasma state
The Space Shuttle Main Engine burnt hydrogen with oxygen, producing a nearly invisible flame at full thrust.
The Space Shuttle Main Engine burnt hydrogen with oxygen, producing a nearly invisible flame at full thrust.
Hydrogen gas is colorless and transparent, here contained in a glass ampoule.
Hydrogen gas is colorless and transparent, here contained in a glass ampoule.
A sample of sodium hydride
A sample of sodium hydride