हिंदी

Identify the endothermic and exothermic reaction. CaCO3(s) → Δ CaO(s) + CO2

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प्रश्न

Identify the endothermic and exothermic reaction.

\[\ce{CaCO_{3(s)}->[\Delta] CaO_{(s)} + CO2}\]

Identify the endothermic and exothermic reaction.

\[\ce{CaCO_{3(s)}->[\Delta] CaO_{(s)} + CO2↑}\]

विकल्प

  • Exothermic reaction

  • Endothermic reaction

MCQ
वर्गीकरण करो
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उत्तर

Endothermic reaction

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अध्याय 3: Chemical reactions and equations - Exercise [पृष्ठ ४६]

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बालभारती Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
अध्याय 3 Chemical reactions and equations
Exercise | Q 8. d. | पृष्ठ ४६

संबंधित प्रश्न

What do you observe when Ammonia is brought in contact of hydrogen chloride.gas.


Define exothermic reactions. Give two examples of each.


What do you observe when ammonium chloride is dissolved in water.


MULTIPLE CHOICE QUESTIONS

Tick the most appropriate answer.

Heat energy is evolved in these reactions

  1. Thermal decomposition reactions
  2. Exothermic reactions
  3. Endothermic reactions
  4. None of these

FILL IN THE BLANK 

In a................ reaction heat energy is absorbed.


Identify the endothermic and exothermic reaction.

\[\ce{CaO + H2O -> Ca(OH)2 + Heat}\]


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.


Give an example of an endothermic reaction.


Chemical reactions may proceed with evolution of heat. Give an example.


Explain the term energy changes in a chemical change or reaction.


Differentiate between the following:

Electrolytic decomposition and photochemical decomposition.


Write an Explanation.

Endothermic reaction


Classify the following reaction into Exothermic and Endothermic reactions.

Magnesium ribbon when burned in air, it forms magnesium oxide.


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 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.


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