A substance is said to be oxidised if it loses and gains .

oxygen

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water

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hydrogen

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stability

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Solution

The correct option is C hydrogen
When a substance loses hydrogen or gains oxygen, the substance is said to be oxidised. When a substance loses oxygen or gains hydrogen, the substance is said to be reduced.

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Similar questions

Why if a substance loses hydrogen is said to be oxidised and if gains Hydrogen then reduced?

M g (s) + O_{2} (g) \to 2 M g O (s)

Z n O + C \to Z n + C O

F e_{2} O_{3} + 3 C O \to 2 F e + 3 C O_{2}

C r_{2} O_{3} + 2 A l \to 2 C r + A l_{2} O_{3}

1. Give an example of a chemical change which is accompanied by the evolution of heat light and sound energy.

2. The substance which loses electrons is said to be______ whereas the one which gains electrons is said to be_____

Choose the correct optiom

When a metal atom becomes an ion

1)it loses electrons and it is oxidised

2)it gains electrons and it's reduced

3)it loses electrons and it's reduced

4)it gains electrons and it's oxidised

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