In the context of redox reactions, the gain of hydrogen from a substance is known as:

oxidation

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dehydration

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reduction

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dehydrogenation

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Solution

The correct option is B reduction
In the context of redox reactions, the gain of hydrogen from a substance is known as reduction.
$H_{2} + C l_{2} \to 2 H C l$
Hence chlorine undergoes reduction by the gain of hydrogen.

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Similar questions

In the context of redox reactions, the removal of hydrogen from a substance is known as :
(a) oxidation (b) dehydration (c) reduction (d) dehydrogenation

Q. Removal of hydrogen from a substance is known as oxidation.

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

The reaction in which hydrogen is added to substance and oxygen is removed from substance, is called __ reaction.

Q. The substance that gets oxidised in a chemical reaction is known as a/an ______ agent.

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In the context of redox reactions, the gain of hydrogen from a substance is known as:

The correct option is B reductionIn the context of redox reactions, the gain of hydrogen from a substance is known as reduction.H2+Cl2→2HClHence chlorine undergoes reduction by the gain of hydrogen.

The correct option is B reduction
In the context of redox reactions, the gain of hydrogen from a substance is known as reduction.
$H_{2} + C l_{2} \to 2 H C l$
Hence chlorine undergoes reduction by the gain of hydrogen.