Advertisements
Advertisements
प्रश्न
Identify the endothermic and exothermic reaction.
\[\ce{CaCO_{3(s)}->[\Delta] CaO_{(s)} + CO2}\]
विकल्प
Exothermic reaction
Endothermic reaction
Advertisements
उत्तर
\[\ce{CaCO_{3(s)}->[\Delta] CaO_{(s)} + CO2}\]- Endothermic reaction
संबंधित प्रश्न
How will you obtain Ammonia from nitrogen.
Also give balanced equations for the reactions
What do you observe when Ammonia is brought in contact of hydrogen chloride.gas.
State the effect of an endothermic reaction.
Explain the term with examples.
Endothermic reaction
State the effects of endothermic and exothermic reactions on the surroundings.
Name a carbonate which do not decompose on heating.
Name a compound which produces carbon dioxide on heating.
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 absorption of heat. Give an example.
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.
Write an Explanation.
Endothermic reaction
Respiration is a ______ change.
Match the following:
| Colum I | Column II | ||
| 1. | Alloying | a. | Exothermic change |
| 2. | Crystallization | b. | Periodic change |
| 3. | Soap powder + water | c. | Mixing of molten solids |
| 4. | Seasonal changes | d. | Pure solid |
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.
