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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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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.


State the effect of  an exothermic reaction on the surroundings.


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


Explain the term with examples.

Endothermic reaction  


Why energy is involved in a chemical change?


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


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 ________.


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.


Differentiate between the following:

Electrolytic decomposition and photochemical decomposition.


Mention any two exothermic reactions.


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


Give examples for the exothermic process.


Complete the following table:

Chemical Reactions Name reaction type
\[\ce{C(s) + O2(g) -> CO2(g)}\] (a) ________
\[\ce{Zn(s) + CuSO4(aq) ->}\] (b) _________ Displacement reaction
\[\ce{2Cu(s) + O2(g) ->[heat] 2CuO(s)}\] (c) _________
\[\ce{C(s) + 2H2(g) -> CH4(g)}\] (d) _________
\[\ce{CaO(s) + H2O(l) -> Ca(OH)2(aq) + heat}\] (e) _________
\[\ce{CaCO3(s) + Heat ->}\] (f) _________ Endothermic Reaction

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.


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.


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