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Which of the following reactions evolves...

Which of the following reactions evolves heat?

A

`C+O_(2)toCO_(2)`

B

`C_(6)H_(12)O_(6)+6O_(2)to6CO_(2)+6H_(2)O`

C

`CaO+H_(2)OtoCa(OH)_(2)`

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
All the reactions are exothermic in nature hence are accompanied by evolution of heat.
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MTG IIT JEE FOUNDATION-CHEMICAL REACTIONS AND EQUATIONS-EXERCISE (MULTIPLE CHOICE QUESTIONS) (LEVEL-2)
  1. A dilute ferrous sulphate solution was gradually added to the beaker c...

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  2. A dilute solution of sodium carbonate was added to two test tubes - on...

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  3. Which of the following species do not show disproportionation reaction...

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  4. In the reaction, H(2)S+H(2)O(2)toS+2H(2)O

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  5. Which of the following is true regarding dissolution of NH(4)Cl in wat...

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  6. In which of the following chemical equations, the abbreviations repres...

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  7. In the ionic equation, BiO(3)^(-)+6H^(+)+xe^(-) to Bi^(3)+3H(2)O, th...

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  8. Which of the following shows the given reactions in the increasing ord...

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  9. Which of the following is a redox reaction?

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  10. Given E("Cr(2)O(7)^(2-)//Cr^(3+))^(@)=1.33V,E(MnO(4)^(-)//Mn^(2+))^(@)...

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  11. Which of the following reactions evolves heat?

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  12. Which of the following is not a thermal decomposition reaction?

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  13. Which of the following combination of reactants will lead to the forma...

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  14. Three beakers labelled as A, B and C each containing 25 mL of water we...

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  15. When the ion Cr(2)O(7)^(2-) acts as an oxidant in acidic aqueous solut...

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  16. Which is a double displacement as well as neutralisation reaction?

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  17. Which of the following processes does not involve either oxidation or ...

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  18. When sodium hydroxide is added to ferric chloride solution, a reddish ...

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  19. Complete the chemical reaction. Mg((s))+H(2)SO(4(aq))to?

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  20. Study the given diagram carefully. Identify X, Y and the type of ...

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