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प्रश्न
True or False. If false, give the correct answer.
Tarnishing of silver is an example of endothermic change.
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उत्तर
This statement is false.
Correct statement: Tarnishing of silver is an example of change.
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संबंधित प्रश्न
Define endothermic reactions. Give two examples of each.
What do you observe when ammonium chloride is dissolved in water.
What do you observe? When
Lead nitrate is heated.
Supply of energy may be required to initiate a reaction. State the different forms with a suitable example of reactions initiated by the supply of energy.
Respiration is a ______ change.
The Dissolution of glucose in water is also an ______ change.
Give examples of the endothermic process.
Give scientific reasons.
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 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.
