The addition of hydrogen to or the removal of oxygen from a substance is called _____.

oxidation

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reduction

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redox

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displacement reaction

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Solution

The correct option is B reduction
The addition of hydrogen to or the removal of oxygen from a substance is called reduction.
Examples:
$H_{2} + F_{2} \to 2 H F$ (Addition of hydrogen)
$2 H_{2} O \to 2 H_{2} + O_{2}$ (Removal of oxygen)

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Similar questions

Fill in the following blanks with suitable words :

(a) The addition of oxygen to a substance is called ........... whereas removal of oxygen is called .......

(b) The addition of hydrogen to a substance is called .......... whereas removal of hydrogen is called .........

The reaction in which oxygen is added to a substance or hydrogen is removed from a substance, is called oxidation reaction.

The removal of oxygen from a substance is called :

(a) oxidation (b) corrosion (c) reduction (d) rancidity

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