Advertisements
Advertisements
प्रश्न
How is the following metallic oxide reduced? Write the equation:
Zinc oxide
Advertisements
उत्तर
It is reduced by a carbon reduction process using a suitable reducing agent, carbon (C).
ZnO and Coke are heated in retort by producer gas (CO + N2) to get zinc spelter.
\[\ce{ZnO(s) + C(s) ->[1400^\circ C] \underset{(Zinc spelter)}{Zn(s)} + CO(g)}\]
APPEARS IN
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)
How is the following metallic oxide reduced? Write equations:
Iron (ll) oxide
Explain with reason:
In the electrolytic reduction of alumina, the graphite anode is gradually consumed.
Name oxide of one metal which is reduced by (give equation): Electrolytic reduction
What is the type of bonding expected in a metallic chloride?
Answer the following question :
Name the process used for the enrichment of sulphide ore.
Name the following :
A metal oxide that can be reduced by hydrogen
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 ________
Give the equation for the reduction of Iron (III) oxide.
The following sketch represents the electroplating of an Iron cup with Nickel metal.
Study the diagram and answer the following questions:

- During electroplating, the iron cup is placed at the cathode. Why?
- Name the ion that must be present in the electrolyte.
- State one condition that is necessary to ensure that the deposit is smooth, firm and even.
- Write the reaction taking place at the cathode.
- What change would you observe at the anode?
