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प्रश्न
Mention any two exothermic reactions.
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उत्तर
Burning of magnesium ribbon and burning of a candle.
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संबंधित प्रश्न
What do you observe when ammonium chloride is dissolved in water.
Explain the term with examples.
Endothermic reaction
Give an example with a balanced equation, of the following reaction:
photochemical reaction
Give an example with a balanced equation, of the following reaction:
electrochemical reaction
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.
Respiration is a ______ change.
True or False. If false, give the correct answer.
Tarnishing of silver is an example of endothermic change.
The Dissolution of glucose in water is also an ______ change.
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.
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.
