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ICSE Class 10 Chemistry 2018 Paper

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Write a balanced chemical equation for each of the following :
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Question : 13 of 80
Marks: +1, -0
Action of heat on aluminum hydroxide.
Solution:  
  2Al(OH)31000CAl2O3+3H2O\;2\mathrm{Al}(\mathrm{OH})_3 \xrightarrow{1000^{\circ}\mathrm{C}} \mathrm{Al}_2\mathrm{O}_3+3\mathrm{H}_2\mathrm{O}
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