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Which of the following are exothermic re...

Which of the following are exothermic reactions.
(i)Burning of coal (ii)Reaction of water with quick lime (iii) Respiration (iv)Evaporation of water

A

(i), (ii) and (iv)

B

(i) and (ii) only

C

(ii) and (iii) only

D

(i), (ii) and (iii)

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MODERN PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-EXERCISE
  1. Which of the following are exothermic reactions. (i)Burning of coal ...

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  2. Translate the following statements into chemical equation and balance ...

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  3. Translate the following statements into chemical equation and balance ...

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  4. Translate the following statements into chemical equation and balance ...

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  5. Translate the following statements into chemical equation and balance ...

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  6. Give the values of x and y by balancing. x KNO3 rarr y KNO2+ O2

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  7. Give the values of x and y by balancing. x HCL +O3 rarr y H2O +2Cl2

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  8. Balance the following chemical equation: KClO3 rarr KCl+O2

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  9. Balance the following equations: Al+H2SO4 rarr Al2(SO4)3+H2

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  10. Balance the following chemical equation: H2+N2 rarr NH3

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  11. Balance the following equations: C6H6+O2 rarr CO2+ H2O

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  12. Balance the following equations: Fe2O3+C rarr Fe+CO

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  13. Balance the following chemical equation: NaOH+H2SO4rarrNa2SO4+H2O

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  14. Balance the following equation : CH4(g) +O2(g) rarr CO2 (g)+H2O(l)

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  15. Balance the following equation : Ba(OH)2+ HBr (aq) rarr BaBr2 (aq) +...

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  16. Balance the following equation : Al(s) +HCl(aq) rarr AlCl2(aq)+H2(g)

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  17. Balance the following equation : KCN (aq) +H2SO4(aq) rarr K2SO4(aq)+...

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  18. Which of the following are balanced equations: 2H2+O2 rarr H2O

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  19. Balance the following equations: C6H6+O2 rarr CO2+ H2O

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  20. Balance the following equations: C6H6+O2 rarr CO2+ H2O

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  21. Which of the following equations are balanced? 2HgO gives 2Hg + Oxyg...

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