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Why is respiration considered an exother...

Why is respiration considered an exothermic reaction? Explain.

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**Step-by-Step Solution:** 1. **Definition of Exothermic Reaction:** - An exothermic reaction is defined as a chemical reaction that releases energy, usually in the form of heat or light, to its surroundings. 2. **Process of Respiration:** - Respiration is a biological process in which living organisms convert food into energy. The primary component of food that is broken down during respiration is carbohydrates. ...
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NCERT ENGLISH-CHEMICAL REACTIONS AND EQUATIONS-Exercise
  1. Which of the statements about the reaction below are incorrect? 2PbO...

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  2. Fe(2)O(3) + 2Al rarr Al(2)O(3) + 2Fe The above reaction is an exampl...

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  3. What happens when dilute hydrochloric acid is added to iron fillings? ...

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  4. What is a balanced chemical equation? Why should chemical equations be...

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  5. Translate the following statements into chemical equations and then ba...

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  6. Balance the following chemical equations.

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  7. Write the balanced chemical equations for the following reactions: (...

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  8. Write the balanced chemical equation for the following and identify th...

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  9. What does one mean by exothermic and endothermic reactions? Give examp...

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  10. Why is respiration considered an exothermic reaction? Explain.

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  11. Why are decomposition reactions called the opposite of combination rea...

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  12. Write one equation each for decomposition reactions where energy is su...

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  13. What is the difference between displacement and double displacement re...

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  14. In the refining of silver, the recovery of silver from silver nitrate ...

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  15. What do you mean by a precipitation reaction? Explain by giving exampl...

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  16. Explain the following in terms of gain or loss of oxygen with two exam...

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  17. A shiny brown coloured element ‘X’ on heating in air becomes black in ...

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  18. Why do we apply paint on iron articles?

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  19. Oil and fat containing food items are flushed with nitrogen. Why?

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  20. Explain the following terms with one example each. (a) Corrosion (...

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