The reaction of calcium oxide with water to form calcium hydroxide is an example of:

Combination reaction

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Exothermic reaction

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Decomposition reaction

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Both combination and exothermic reaction

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Solution

The correct option is D
Both combination and exothermic reaction

In this reaction calcium oxide reacts with water to form calcium hydroxide and heat is evolved.

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Similar questions

Q. Define combination reaction. Give an example of a combination reaction that is also exothermic.

Q. Solid calcium oxide reacts vigorously with water to form calcium hydroxide accompanied by the liberation of heat. This process is called slaking of lime. Calcium hydroxide dissolves in water to form its solution called lime water. Which among the following is (are) true about slaking of lime and the solution formed?
(i) It is an endothermic reaction.
(ii) It is an exothermic reaction.
(iii) The pH of the resulting solution will be more than seven.
(iv) The pH of the resulting solution will be less than seven.

Q. Calcium hydroxide

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Calcium oxide + water. Identify the type of chemical reaction:

Question 3

Define combination reaction. Give an example of a combination reaction that is also exothermic.

Question 9

Solid calcium oxide reacts vigorously with water to form calcium hydroxide accompanied by liberation of heat. This process is called slaking of lime. Calcium hydroxide dissolves in water to form its solution called lime water. Which among the following is (are) true about slaking of lime and the solution formed?

(i) It is an endothermic reaction
(ii) It is an exothermic reaction
(iii) The pH of the resulting solution will be more than seven
(iv) The pH of the resulting solution will be less than seven

(a) (i) and (ii)
(b) (ii) and (iii)
(c) (i) and (iv)
(d) (iii) and (iv)

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The reaction of calcium oxide with water to form calcium hydroxide is an example of:

The correct option is D Both combination and exothermic reactionIn this reaction calcium oxide reacts with water to form calcium hydroxide and heat is evolved.

The correct option is D
Both combination and exothermic reaction

In this reaction calcium oxide reacts with water to form calcium hydroxide and heat is evolved.