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

Write an Explanation. Endothermic reaction

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प्रश्न

Write an Explanation.

Endothermic reaction

स्पष्ट करा
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उत्तर

The chemical reactions which are accompanied by absorption of heat are called endothermic reactions.

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पाठ 3: Chemical reactions and equations - Write an Explanation [पृष्ठ २२]

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एससीईआरटी महाराष्ट्र Science and Technology Part 1 [English] Standard 10 Maharashtra State Board
पाठ 3 Chemical reactions and equations
Write an Explanation | Q 2. | पृष्ठ २२

संबंधित प्रश्‍न

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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Give an example of the following chemical changes.

A photochemical reaction involving silver salt.


Complete the following statement.

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


Name a nitrate which produces oxygen as the only gas.


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


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


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 ________.


Complete the statement by filling in the blank with the correct word:

The reaction of coke with steam to give water gas is an example of an __________ reaction.


Differentiate between the following:

A catalyst and a promoter.


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:

electrochemical reaction


Supply of energy may be required to initiate a reaction. State the different forms with a suitable example of reactions initiated by the supply of energy.


Classify the following reaction into Exothermic and Endothermic reactions.

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Give examples for the exothermic 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 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 added slowly to water with constant stirring.


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