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In terms of the least polluting source of energy,
In terms of the least polluting source of energy,
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Solution
The correct option is A hydrogen
Hydrogen fuel is a zero-emission fuel. In a flame of pure hydrogen gas, hydrogen (H2) reacts with oxygen (O2) to form water (H2O) and releases energy.
2H2(g)+O2(g)→2H2O(g)
It is used in the propulsion of spacecraft and might potentially be mass-produced and commercialized for passenger vehicles and aircraft.
Hydrogen fuel is a zero-emission fuel. In a flame of pure hydrogen gas, hydrogen (H2) reacts with oxygen (O2) to form water (H2O) and releases energy.
2H2(g)+O2(g)→2H2O(g)
It is used in the propulsion of spacecraft and might potentially be mass-produced and commercialized for passenger vehicles and aircraft.
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