Al2O3 is an effective deydrating agent promoting elimination reaction.
CH3CH2OH⟶CH2=CH2+H2O
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Q1
For joining railway tracks, ferric oxide is reacted with aluminium to produce aluminium oxide and iron. The balanced chemical equation for the given reaction is Fe2O3(x)Ferricoxide+2Al(x)Aluminium→Al2O3(x)Aluminiumoxide+2Fe(x)Iron Which of the following substances is oxidized in the given reaction?
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Q2
Ferric oxide reacts with aluminium to produce aluminium oxide and iron. The balanced chemical equation for the given reaction is :
Fe2O3 + 2Al→Al2O3 + 2Fe
Which of the following substances is oxidized in the given reaction?
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Q3
(a) Write one reaction in which aluminium oxide behaves as a basic oxide and another in which it behaves as an acidic oxide. (b) What special name is given to substances like aluminium oxide? (c) Name another metal oxide which behaves like aluminium oxide.
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Q4
The reaction given below represent the processes of reduction to obtain metals from their respective ores. Arrange them in the following order. Sodium, aluminium, zinc, chromium, iron, copper and mercury (a) Metal oxide +metal sulphide → Metal +SO2 (b) Metal oxide +CO→ Metal +CO2 (c) Metal oxide +C→ Metal +CO (d) Metal oxide → Metal +O2 (e) Metal oxide Δ−→ Metal +O2 (f) Metal oxide +Aluminium → Aluminium oxide + metal (g) Metal chloride → Metal + Chlorine
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Q5
Iron (III) oxide reacts with aluminium and gives molten iron and aluminium oxide. Identify the type of the reaction: