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

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प्रश्न

Is Respiration an endothermic reaction or an exothermic reaction?

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उत्तर

Respiration: Exothermic reaction
Respiration is an exothermic reaction in which glucose undergoes combustion to produce carbon dioxide, water and energy.

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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 35.8 | पृष्ठ २१

वीडियो ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्न

Translate the following statement into chemical equation and then balance it.

Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.


When hydrogen is passed over copper oxide, copper and steam are formed. Write a balanced equation for this reaction and state which of the chemicals are metals.


Write a balanced chemical equation for the process of photosynthesis giving the physical states of all the substances involved and the conditions of the reaction.


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 dilute sulphuric acid is added to barium chloride solution.


State one characteristic of the chemical reaction which takes place when  quicklime is treated with water


The chemical reaction between quicklime and water is characterised by:
(a) evolution of hydrogen gas
(b) formation of slaked lime precipitate
(c) change in temperature of mixture
(d) change in colour of the product


Balance the following equation Also name the product formed.

`"K" + "CI"_2 → "KCI"`


Balance the following equation. Also name the product formed. 

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


To determine the percentage of water absorbed by raisins, raisins are soaked in water for: 


Write the chemical equation for the following word equation and balance them.

Sodium reacts with water to form sodium hydroxide and hydrogen


In certain reaction an insoluble solid called precipitate is formed. State the colour and name of the precipitate formed in the following reaction involving addition of:

Iron [III] chloride to ammonium hydroxide.


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

ZnCO3 → ZnO + CO2


Balance the following simple equation:

CaO  +  HCl  →  CaCl2  +  H2


Write a balanced equation for the following word equation:

Iron + Hydrochloric acid → Iron [II] chloride + Hydrogen


With reference to a chemical equation state which of the statements 1 to 5 pertain to A or B.
A: Information provided by a chemical equation. 
B: Limitations of a chemical equation.

  1. The nature of the individual elements.
  2. The speed of the reaction.
  3. The state of matter in which the substance is present.
  4. The completion of the reaction.
  5. The direction of the reaction.

Balance the given chemical reaction as per the instructions below.

\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]

Write the number of atoms of various elements in the reactants and products.


The chemical equation Na2SO4(aq) + BaCl2(aq) → BaSO4(s)↓ + 2NaCl(aq) represents which of the following types of reaction?


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 the 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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