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Is Photosynthesis an Endothermic Reaction Or an Exothermic Reaction? - Science

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प्रश्न

Is Photosynthesis an endothermic reaction or an exothermic reaction?

उत्तर

Photosynthesis: Endothermic reaction
Photosynthesis occurs by absorbing light energy from sunlight.

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अध्याय 1: Chemical Reactions and Equations - Exercise 1 [पृष्ठ २१]

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लखमीर सिंग Chemistry (Science) [English] Class 10
अध्याय 1 Chemical Reactions and Equations
Exercise 1 | Q 35.6 | पृष्ठ २१

वीडियो ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्न

Balance the following chemical equation.

\[\ce{BaCl2 + H2SO4 -> BaSO4 + HCl}\]


Balance the following equation:

Na + O2  Na2O


Carbon monoxide reacts with hydrogen under certain conditions to form methanol (CH3OH). Write a balanced chemical equation for this reaction indicating the physical states of reactants and product as well as the conditions under which this reaction takes place.


Express the following facts in the form of a balanced chemical equation:
"When a strip of copper metal is placed in a solution of silver nitrate, metallic silver is precipitated and a solution containing copper nitrate is formed".


Identify the type of reaction taking place of the following case and write the balanced chemical equation of the reaction:
Potassium iodide reacts with lead nitrate to produce potassium nitrate and lead iodide.


Give word equation for the following chemical reaction and give the names of the product formed.

NH3 + HCl→ NH4Cl


\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]

State what is a ‘balanced equation’.


Balance the following simple equation:

Zn  +   NaOH  →   Na2ZnO2   +   H2 


Reema took 5ml of Lead Nitrate solution in a beaker and added approximately 4ml of Potassium Iodide solution to it. What would she observe?


Which among the following statement(s) is(are) true? ‘Exposure of silver chloride to sunlight for a long duration turns grey due to

  1.  the formation of silver by decomposition of silver chloride
  2.  sublimation of silver chloride
  3. decomposition of chlorine gas from silver chloride
  4. oxidation of silver chloride

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