Formation of water is an example of ____________ reaction

Combination reaction

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Chemical reaction

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Chemical and combination reaction

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Substitution reaction

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Solution

The correct option is C
Chemical and combination reaction

Formation of water is a chemical reaction because new compound is formed. It is also a combination reaction because hydrogen and oxygen combine to form single product (water). The reaction is $2 H_{2} (g) + O_{2} (g) \to 2 H_{2} O (l)$ .

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Similar questions

Give an example of a chemical reaction which is characterised by the formation of a precipitate.

(a) What is meant by a chemical reaction ? Explain with the help of an example.

(b) Give one example each of a chemical reaction characterised by :
(i) evolution of a gas

(ii) change in colour

(iii) formation of a precipitate

(iv) change in temperature

(v) change in state.

Give an example of each of the following chemical changes.

(a) A reaction involving.

(i) Change of state.

(ii) Formation of the precipitate.

(b) An exothermic and an endothermic reaction involving carbon as one of the reactants.

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