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प्रश्न
Identify the endothermic and exothermic reaction.
\[\ce{CaCO_{3(s)}->[\Delta] CaO_{(s)} + CO2}\]
पर्याय
Exothermic reaction
Endothermic reaction
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उत्तर
\[\ce{CaCO_{3(s)}->[\Delta] CaO_{(s)} + CO2}\]- Endothermic reaction
संबंधित प्रश्न
Define exothermic reactions. Give two examples of each.
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.
State the effects of endothermic and exothermic reactions on the surroundings.
Name a nitrate which produces oxygen as the only gas.
Name a compound which produces carbon dioxide on heating.
State which type of chemical reaction proceeds with the absorption of heat energy.
State the following reaction whether heat is evolved or absorbed –
water is added to quicklime
Complete the statement by filling in the blank with the correct word:
The element molybdenum used in the reaction of nitrogen with hydrogen at elevated temperatures is an example of a ________.
Give a balanced equation for the following type of reaction:
A catalytic, reversible, exothermic reaction.
Differentiate between the following:
A catalyst and a promoter.
Chemical reactions may proceed with evolution of heat. Give an example.
Chemical reactions may proceed with absorption of heat. Give an example.
Give an example with a balanced equation, of the following reaction:
photochemical reaction
Respiration is a ______ change.
Give examples for the exothermic process.
Identify the type of chemical reaction given below:
\[\ce{2KClO3 -> 2KCl + 3O2 ^}\]
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 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.
