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प्रश्न
In the extraction of aluminium: Draw the diagram for the extraction of aluminium.
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उत्तर
Extraction of aluminium:
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संबंधित प्रश्न
Why do gold ornaments look new even after several years of use?
Name one metal which is extracted by reduction with carbon.
Name two metals which occur in nature in free state as well as in combined state.
Name two metals which are always found in combined state.
Name one ore of sodium. Name the sodium compound present in this ore and write its chemical formula.
Which gas is produced during the extraction of aluminium? At which electrode is this gas produced?
Give the principles of electromagnetic separation.
Give reasons, why aluminum is used in:
painting electric and telegraphic poles
Define the following term.
Gangue
Name the following:
The substance added to get rid of gangue in the extraction of metal.
Complete the incomplete statement with missing word:
Metals are malleable while non-metals are ______.
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 malleable and ductile
Which one of the following is not true of metal :
Metals form non-polar covalent compounds
Find the odd one out and give its explanation.
Explain the following reaction with the balanced equation.
Sodium aluminate reacts with water
Explain the following reaction with the balanced equation.
Zinc sulphide is heated strongly in excess of air
The process in which a carbonate ore is heated strongly in the absence of air to convert it into metal oxide is called ____________.
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 a reason why Aluminium is preferably used in thermite reactions.
