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What does one mean by exothermic and end...

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

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Chemical reactions that release energy in the form of heat, light or sound are called exothermic reactions.
Example : `C(g)+O_2to(g)toCO_2`+Heat Energy Reactions that absorb energy or require energy in order to proceed are called endothermic reactions Heat `N_2(g)+O_2(g)to2NO`
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SUBHASH PUBLICATION-CHEMICAL REACTIONS ADN EQUATIONS-TEXTBOOK EXERCISE QUESTIONS
  1. Write the balanced chemical equation for the following reactions. Ba...

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  2. Write the balanced chemical equations for the following reactions and ...

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

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  4. Write the balanced chemical equations for the following reactions and ...

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

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  6. What does one mean by exothermic and endothermic reactions ? Give exam...

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

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

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  9. Write one equation for decomposition reactions where energy is supplie...

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

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

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  12. What do you mean by a precipitation reaction ? Explain by giving examp...

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

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

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  15. A shiny brown -coloured elemnt 'X' on heating in air becomes black in ...

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  16. Why do we apply paint on iron articles ?

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

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  18. Explain the following terms with one example each. corrosion.

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  19. Explain the following terms with one example each. rancidity.

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  20. Which of the following are combination reactions? 2KClO3to2KCl+3O2 ...

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