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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?

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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 given equation:

Fe + O2  Fe2O3

 


Balance the given chemical equation:

NH3 → N2 + H2


With the help of an appropriate example, justify that some of the chemical reactions are determined by Change in temperature.

Give chemical equation for the reaction involved in the above case.


State one characteristic of the chemical reaction which takes place when wax is burned in the form of a candle?


Write word equation for the following skeletal equation:

\[\ce{CO + O2 -> CO2}\]


Balance the following equation Also name the product formed.

`"K" + "CI"_2 → "KCI"`


Balance the following equation. Also name the products formed. 

\[\ce{Ag + S -> Ag2S}\]


Balance the following equation. Also name the product formed. 

` "H"_2"O"_2    →  "H" _2 "O" + "O"_2` 


Balance the following equation. Also name the product formed. 

FeCI2 + CI2 →  FeCI3


Complete the following equation:

CH3COOH + NaOH → 


In the experiment for determining the percentage of water absorbed by raisins, we do the final weighing of the raisins after keeping them dipped in water for about one hour. For the accuracy of the result, the extra water from the surface of the soaked raisins is removed by


In electrolysis of water, why is the volume of gas collected over one electrode double that of gas collected over the other electrode?


Balance the following equation:

Fe2O3 + CO → Fe + CO2


What is the valency of :

carbon in CH4


Write the balanced chemical equation of the following reaction.

zinc sulphide + oxygen → zinc oxide + sulphur dioxide


When a potassium iodide solution is added to a solution of lead (II) nitrate in a test tube, a precipitate is formed.

Write the balanced chemical equation for this reaction.


Representation of the results of a chemical change – is a chemical equation.

For the equation: FeCl3 + 3NH4OH 3NH4Cl + Fe(OH)3 ↓

Answer the following:

What is the indications of the arrow between the reactants and the products and of the arrow pointing downwards at the end.


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

State what is a ‘balanced equation’.


Complete the given chemical reaction.

\[\ce{CuSO_{4(aq)} + Fe_{(s)} ->}\]______ + ______


A dilute ferrous sulphate solution is gradually added to the beaker containing acidified permanganate solution. The light purple colour of the solution fades and finally disappears. Which of the following is the correct explanation for the observation?


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