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प्रश्न
Mention any two exothermic reactions.
उत्तर
Burning of magnesium ribbon and burning of a candle.
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संबंधित प्रश्न
Explain the term with examples.
Endothermic reaction
Identify the endothermic and exothermic reaction.
\[\ce{2KClO_{3(s)}->[\Delta] 2KCl_{(s)} + 3O2}\]
Give an example of the following chemical changes.
A reaction involving blue solution.
Name a compound which produces carbon dioxide on heating.
Give a balanced equation for the following type of reaction:
A catalytic, reversible, exothermic reaction.
Chemical reactions may proceed with evolution of heat. Give an example.
Select the correct answer from the options given below:
State the gaseous product formed, when
An exothermic reaction takes place between ammonia and neutral gas.
Give 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 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 scientific reason.
While preparing dilute sulphuric acid from concentrated sulphuric acid in the laboratory, the concentrated sulphuric acid is slowly added to water with constant stirring.
