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प्रश्न
Give the equation for the reduction of Zinc oxide.
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उत्तर
The carbon reduction method uses a suitable reducing agent (C). Carbon dioxide or hydrogen does not reduce ZnO.
\[\ce{ZnO + C ->[1400°C]Zn + CO}\]
संबंधित प्रश्न
Complete the following by selecting the correct option from the choices given:
The metal whose oxide, which is amphoteric, is reduced to metal by carbon reduction ____________. (Fe/Mg/Pb/Al)
Name the compound added to pure alumina to lower the fusion temperature during the electrolytic reduction of alumina.
An element L consists of molecules.
When L is heated with iron metal, it forms a compound FeL. What chemical term would you use to describe the change undergone by L?
Give equation for the following conversion: Aluminium hydroxide to aluminium oxide.
Name oxide of one metal which is reduced by (give equation): Electrolytic reduction
Write balanced equation for the following reaction:
Reduction of iron (III) oxide by carbon monoxide.
Name the following:
The compound formed by the reaction between calcium oxide and silica.
Complete the following by selecting the correct option from the choices given :
The metal whose oxide, which is amphoteric, is reduced to metal by carbon reduction ________
- A to F below relate to the source and extraction of either zinc or aluminium:
- Bauxite
- Coke
- Cryolite
- Froth floatation
- Sodium hydroxide solution
- Zinc blende
- Write down the three letters each from the above list which are relevant to
- Zinc
- Aluminium
- Fill in the blanks using the most appropriate words from A to F.
- The ore from which aluminium is extracted must first be treated with ………………. so that pure aluminium oxide can be obtained.
- Pure aluminium oxide is dissolved in ….. to make a conducting solution.
iii. Write the formula of cryolite.
Give the equations for the reduction of copper oxide.
