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Use of Hydrogen as a Fuel

A fuel cell u...

Question

A fuel cell uses oxygen and gas as fuel.

hydrogen

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nitrogen

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chlorine

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Solution

The correct option is A hydrogen
A fuel cell is a device that converts chemical energy (energy released during chemical reactions) into electrical energy.

In a fuel cell, hydrogen gas reacts with oxygen to produce huge amount of energy and water is formed as a byproduct. The reaction involved is:

${2H}_{2} (g) + O_{2} (aq) \to H_{2} O (l) + Energy$

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Similar questions

The green house gas is:

(a) oxygen (b) nitrogen

C H_{3} O H (l) + \frac{3}{2} O_{2} (g) \to C O_{2} (g) + 2 H_{2} O (l)

298 K

C H_{3} O H (l), H_{2} O (l)

C O_{2} (g)

- 166.2, - 237.2

- 394.4 k J m o 1^{- 1}

- 726 k J m o 1^{- 1}

C H_{3} O H_{(l)} + \frac{3}{2} O_{2} (g) \to C O_{2} (g) + 2 H_{2} O (g)

298 K

C H_{3} O H (l), H_{2} O (l), and C O_{2} (g)

- 166.2, - 237.2

- 394.4 {kJ mol}^{- 1},

- 726 {kJ mol}^{- 1}

State one use of the following non-metals:

(a) Oxygen (b) Nitrogen (c) Sulphur (d) Chlorine (e) Iodine

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