In hydrogen economy, energy required for automobiles or electrical energy is obtained from the reaction between _____ and oxygen.
A
hydrogen
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B
oxygen
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C
silver
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D
none of these
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Solution
The correct option is A hydrogen In hydrogen economy, energy required for automobiles or electrical
energy is obtained from the reaction between hydrogen and oxygen. This
eliminates the use of carbon based fossil fuels. It reduces emission of
carbon dioxide gas. Hydrogen acts as energy carrier as a substitute for
petroleum reserves that are in short supply.