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

Classify the following reaction into Exothermic and Endothermic reactions. Magnesium ribbon when burned in air, it forms magnesium oxide. - Science and Technology 1

Advertisements
Advertisements

प्रश्न

Classify the following reaction into Exothermic and Endothermic reactions.

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

पर्याय

  • Exothermic reaction

  • Endothermic reaction

MCQ
एक शब्द/वाक्यांश उत्तर
Advertisements

उत्तर

Magnesium ribbon when burned in air, it forms magnesium oxide- Exothermic reaction

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Chemical reactions and equations - Solve the following Questions

APPEARS IN

एससीईआरटी महाराष्ट्र Science and Technology 1 [English] 10 Standard SSC
पाठ 3 Chemical reactions and equations
Solve the following Questions | Q 4.1

संबंधित प्रश्‍न

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


FILL IN THE BLANK 

In a................ reaction heat energy is absorbed.


Explain the term with examples.

Endothermic reaction  


Identify the endothermic and exothermic reaction.

HCl + NaOH → NaCl + H2O + heat


Identify the endothermic and exothermic reaction.

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


Identify the endothermic and exothermic reaction.

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


Give scientific reasons.
While preparing dil. Sulphuric acid from concentrated conc. sulphuric acid in the laboratory the concentrated sulphuric acid is, add slowly to water with constant stirring.


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.


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 ________.


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


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


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

exothermic reaction


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

photochemical reaction


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

electrochemical reaction


Respiration is a ______ change.


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 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.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×