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प्रश्न
How is the following metallic oxide reduced? Write equations:
Iron (ll) oxide
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उत्तर
Iron is a moderately reactive metal; its oxide is reduced by Carbon Reduction Process.
\[\ce{FeO + CO ->[750-500^\circ C] Fe + CO2}\]
\[\ce{4FeO + O2 -> 2Fe2O3}\]
\[\ce{Fe2O3 + 3CO ->[600^\circ C-400^\circ C]2Fe + 3CO2}\]
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संबंधित प्रश्न
Name the following:
A metal oxide that can be reduced by hydrogen.
Give appropriate scientific reasons for Zinc oxide can be reduced to zinc metal by using
carbon, but aluminium oxide cannot be reduced by a reducing agent
Give equation for the following conversion: Ferric oxide to iron.
Give equation for the following conversion: Aluminium hydroxide to aluminium oxide.
Name a non-metallic element which is a liquid at ordinary temperatures
Write balanced equation for the following reaction:
Reduction of copper oxide by hydrogen.
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.
