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

Identify the endothermic and exothermic reaction. CaCOX3(s)→ΔCaOX(s)+COX2

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प्रश्न

Identify the endothermic and exothermic reaction.

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

पर्याय

  • Exothermic reaction

  • Endothermic reaction

MCQ
एक शब्द/वाक्यांश उत्तर
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उत्तर

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

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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

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


Define  endothermic reactions. Give two examples of each.


Give an example of the following chemical changes.

A photochemical reaction involving silver salt.


Name a carbonate which do not decompose on heating.


State which type of chemical reaction proceeds with evolution of heat energy.


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 ________.


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


Give an example with a balanced equation, of the following reaction:

endothermic reaction


Give an example with a balanced equation, of the following reaction:

photochemical reaction


Select the correct answer from the options given below:

State the gaseous product formed, when

An exothermic reaction takes place between ammonia and neutral gas.


Assertion: A drop of petrol when touched with finger gives a chill feeling.

Reason: The above phenomenon is an endothermic one.


The Dissolution of glucose in water is also an ______ change.


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.


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