The change given below is an example of:
Hydrogen + Oxygen $h e a t \to$ Water

physical change

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chemical change

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both A & B

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neutralization reaction

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Solution

The correct option is B chemical change
The change given in the example is a chemical change as a new product water is formed. The substances cannot be reversed by simple physical method.

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Similar questions

Hydrogen + Oxygen

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Water

2 P b (N O_{3})_{2} \to 2 P b O + 4 N O_{2} + O_{2}

O_{2} (g) + H_{2} (g) \to H_{2} O (g)

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