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प्रश्न
State which type of chemical reaction proceeds with evolution of heat energy.
उत्तर
Exothermic reactions
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संबंधित प्रश्न
Define endothermic reactions. Give two examples of each.
Explain the term with examples.
Endothermic reaction
Give scientific reasons.
While preparing dil. Sulphuric acid from concentrated conc. sulphuric acid in the laboratory the concentrated sulphuric acid is, add slowly to water with constant stirring.
Name a carbonate which do not decompose on heating.
Give an example of the following chemical changes.
An exothermic and an endothermic reaction involving carbon as one of the reactants.
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.
Differentiate between the following:
Electrolytic decomposition and photochemical decomposition.
Write an Explanation.
Endothermic reaction
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 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.
