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प्रश्न
What do you observe when ammonium chloride is dissolved in water.
उत्तर
Dissolution of ammonium chloride in water is an endothemic reaction in which heat energy is absorbed.
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संबंधित प्रश्न
Define endothermic reactions. Give two examples of each.
Identify the endothermic and exothermic reaction.
\[\ce{2KClO_{3(s)}->[\Delta] 2KCl_{(s)} + 3O2}\]
State the effects of endothermic and exothermic reactions on the surroundings.
State which type of chemical reaction proceeds with evolution of heat energy.
Give a balanced equation for the following type of reaction:
A catalytic, reversible, exothermic reaction.
Chemical reactions may proceed with absorption of heat. Give an example.
Give an example with a balanced equation, of the following reaction:
photochemical reaction
Give examples for the exothermic process.
Give a scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
Give a scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is added slowly to water with constant stirring.
