Heavy water is obtained by:

Boiling water

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Fractional distillation of

H_{2} O

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Prolonged electrolysis of

H_{2} O

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Heating

H_{2} O_{2}

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Solution

The correct option is C Prolonged electrolysis of $H_{2} O$

Heavy water is obtained by prolonged electrolysis of $H_{2} O$ which involves multi-stage electrolysis of ordinary water containing alkali.

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Similar questions

Heavy water ( $D_{2} O$ ) is

What volume of $H_{2}$ is liberated under similar conditions which released $2.24 d m^{3} O_{2}$ by electrolysis of water?

= 100^{o}

H C l

= 85^{o}

110^{o}

H_{2}

O_{2}

H_{2}

D_{2}

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