Write the chemical equation of the reaction in wch the following changes have taken place with an example of each: (i) Change in colour (ii) Change in temperature (iii) Formation of precipitate
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1. when pottasium permanaganate react with citric acid then the purple colour of the solution disappear.
2. when water is added to calcium oxide to form calcium hydroxide then a large amount of heat energy will release.
3. when lead nitrate react with pottasium iodide then a precipitate of lead iodide will form.
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1. when pottasium permanaganate react with citric acid then the purple colour of the solution disappear.
2. when water is added to calcium oxide to form calcium hydroxide then a large amount of heat energy will release.
3. when lead nitrate react with pottasium iodide then a precipitate of lead iodide will form.
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