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प्रश्न
The given reaction shows one of the processes to extract the metals like Iron and Manganese.
\[\ce{MnO2(s) + Al(s) -> Mn(l) + Al2O3(s) + Heat}\]
Give the reason why the above reaction is known as a thermite reaction.
उत्तर
The above reaction is known as a thermite reaction, as the reaction is a highly exothermic reaction.
OR
The metal (Mn/Fe) obtained will be in a molten/liquid state.
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संबंधित प्रश्न
Define the term : Flux
Explain the following:
Galvanization protects iron from rusting.
What is passive iron?
Complete the incomplete statement with missing word:
Non-metals form acidic oxides while metals form ______.
Which one of the following is not true of metal :
Metals are good conductors of electricity.
Sulphide ores : Roasting : : Carbonate ores : _______
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Explain the following reaction with the balanced equation.
Zinc oxide is treated with carbon
Explain in brief electrolytic reduction of alumina with a neat labelled diagram.
Assertion (A): The extraction of metals from their sulphide ores cannot take place without roasting the ore.
Reason (R): Roasting converts sulphide ores directly into metals.
