An example of a chemical reaction in which heat is evolved is:

The reaction between ammonium chloride and barium hydroxide

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The boiling of water

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The reaction between sodium and water

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The reaction between lead nitrate and potassium iodide

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Solution

The correct option is C The reaction between sodium and water
Sodium hydroxide pellets dissolve in water to form aqueous solution of sodium hydroxide along with the release of heat. This is an exothermic reaction.

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Similar questions

Q. A chemical reaction in which heat is evolved is called a/an:

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Q. Give an example of a chemical reaction for each of the following situations:

(a) A change in colour is observed.
(b) A gas is evolved.
(c) Sound is produced.

An example of reaction in which gas is evolved is:

Question 20

Give an example of a chemical reaction for each of the following situations:
(a) A change in colour is observed.
(b) A gas is evolved
(c) Sound is produced.

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An example of a chemical reaction in which heat is evolved is:

The correct option is C The reaction between sodium and waterSodium hydroxide pellets dissolve in water to form aqueous solution of sodium hydroxide along with the release of heat. This is an exothermic reaction.

The correct option is C The reaction between sodium and water
Sodium hydroxide pellets dissolve in water to form aqueous solution of sodium hydroxide along with the release of heat. This is an exothermic reaction.