SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What type of chemical reaction is this one? Al(OH)3
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Decomposition
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Combustion
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Synthesis
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Single Replacement
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Explanation:
Detailed explanation-1: -2Al(OH)₃→Al₂O₃+3H₂O The above reaction is an Endothermic reaction, which involves breaking down of aluminium hydroxide into its oxide and give out water as by-product.
Detailed explanation-2: -In the given reaction, 2Al2O3(s)→4Al(s)+3O2(g)H=+3352kJ/mol. 2 A l 2 O 3 ( s ) → 4 A l ( s ) + 3 O 2 ( g ) H = + 3352 k J / m o l . This indicates that the decomposition of Al2O3 A l 2 O 3 is endothermic.
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