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प्रश्न
State which type of chemical reaction proceeds with the absorption of heat energy.
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उत्तर
Endothermic reactions.
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संबंधित प्रश्न
Define endothermic reactions. Give two examples of each.
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 an example of the following chemical changes.
A photochemical reaction involving silver salt.
State the effects of endothermic and exothermic reactions on the surroundings.
State the following reaction whether heat is evolved or absorbed –
Two neutral gases combine to give a basic gas.
Chemical reactions may proceed with absorption of heat. Give an example.
Give an example with a balanced equation, of the following reaction:
photochemical reaction
Mention any two exothermic reactions.
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.
