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State the effects of endothermic and exo...

State the effects of endothermic and exothermic reactions on the surroundings.

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ICSE-CHEMICAL CHANGES AND REACTIONS-EXERCISE 2(C)
  1. Give an example of each of the following chemical changes. A reacti...

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  2. What do you undestand by exothermic reaction and endothermic reaction?...

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  3. State the effects of endothermic and exothermic reactions on the surro...

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  4. Define : Photochemical reaction Give one example.

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  5. Define : Electrochemical reaction Give one example.

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  6. Complete and balance the following reactions : NaCl (aq) + AgNO3 (a...

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  7. Complete and balance the following reactions : Pb(NO3)2 + Kl to

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  8. Complete and balance the following reactions : CuCO3 overset(Delta)t...

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  9. Complete and balance the following reactions : Pb(NO3)2 overset(Delt...

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  10. Complete and balance the following reactions : NH3 + O2 overset(Pt)t...

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  11. What do you observe when Lead nitrate is heated.

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  12. What do you observe when Silver chloride is exposed to sunlight.

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  13. What do you observe when Hydrogen peroxide is exposed to sunlight.

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  14. What do you observe when HS gas is passed through copper sulphate so...

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  15. State one relevant observation for each of the following : Barium ch...

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  16. What do you observe when Water is added to quicklime.

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  17. What do you observe when Sodium chloride solution is added to silver...

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  18. Name : a carbonate which does not decompose on heating.

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  19. Name : a nitrate which produces oxygen as the only gas.

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  20. Name : a compound which produces carbon dioxide on heating

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