हिंदी

Identify the endothermic and exothermic reaction. 2KClO_3(s) → Δ 2KCl_(s) + 3O2

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प्रश्न

Identify the endothermic and exothermic reaction.

\[\ce{2KClO_{3(s)}->[\Delta] 2KCl_{(s)} + 3O2}\]

Identify the endothermic and exothermic reaction.

\[\ce{2KClO_{3(s)}->[\Delta] 2KCl_{(s)} + 3O2↑}\]

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. b. | पृष्ठ ४६

संबंधित प्रश्न

Define  endothermic reactions. Give two examples of each.


State the effect of an endothermic reaction.


State the effect of  an exothermic reaction on the surroundings.


Identify the endothermic and exothermic reaction.

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


Name a compound which produces carbon dioxide on heating.


Define exothermic and endothermic changes. Give two example in each case.


State the following reaction whether heat is evolved or absorbed – 

Two neutral gases combine to give a basic gas.


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


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

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


Differentiate between the following:

Electrolytic decomposition and photochemical decomposition.


True or False. If false, give the correct answer.

Tarnishing of silver is an example of endothermic change.


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 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 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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