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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

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.

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

पर्याय

  • Exothermic reaction

  • Endothermic reaction

MCQ
वर्गीकरण करा
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उत्तर

Endothermic reaction

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Chemical reactions and equations - Exercise [पृष्ठ ४६]

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

संबंधित प्रश्‍न

State the effect of an endothermic reaction.


State the effect of  an exothermic reaction on the surroundings.


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

Complete the following statement.

On heating, hydrated copper sulphate changes its colour from ________ to __________.


State the effects of endothermic and exothermic reactions on the surroundings.


Name a compound which produces carbon dioxide on heating.


Give an example of the following chemical changes.

An exothermic and an endothermic reaction involving carbon as one of the reactants.

 


State which type of chemical reaction proceeds with the absorption of heat energy.


State the following reaction whether heat is evolved or absorbed – 

Two neutral gases combine to give a basic gas.


Differentiate between the following:

A catalyst and a promoter.


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


Select the correct answer from the options given below:

State the gaseous product formed, when

Two gases one of them neutral combines by absorption of light energy.


Classify the following reaction into Exothermic and Endothermic reactions.

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


Give examples for the exothermic process.


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.


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 slowly added to water with constant stirring.


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