मराठी

Give the equations for the reduction of copper oxide.

Advertisements
Advertisements

प्रश्न

Give the equations for the reduction of copper oxide.

थोडक्यात उत्तर
Advertisements

उत्तर

\[\ce{CuO + C ->[\Delta]Cu + CO}\]

\[\ce{CuO + CO ->[\Delta]Cu + CO2}\]

\[\ce{CuO + H2 ->[\Delta]Cu + H2O}\]

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 7: Metallurgy - EXERCISE-7B [पृष्ठ १२९]

APPEARS IN

एस.पी. सिंह Concise Chemistry [English] Class 10 ICSE
पाठ 7 Metallurgy
EXERCISE-7B | Q 14. (a) | पृष्ठ १२९

संबंधित प्रश्‍न

Give equation for the following conversion: Aluminium to aluminium nitride.


Name oxide of one metal which is reduced by (give equation): Reduction with carbon


Name a non-metallic element which is a liquid at ordinary temperatures


With reference to the reduction of copper (II) oxide , iron (II) oxide, lead (II) oxide and magnesium oxide; place the oxides in order of increasing ease of reduction.[i.e. first write the oxide that is most difficult to reduce and at last, the oxide, that is most easily reduced.]


Write balanced equation for the following reaction:
Reduction of copper oxide by hydrogen.


What is the type of bonding expected in a metallic chloride?


If fused metallic chloride is electrolyzed, at which electrode would the metal be obtained?


Name the following :
A metal oxide that can be reduced by hydrogen


Write the observation for the following:
A paper dipped in potassium permanganate solution is put on the mouth of a test tube containing sulphur dioxide gas.


  1. A to F below relate to the source and extraction of either zinc or aluminium:
  2. Bauxite
  3. Coke
  4. Cryolite
  5. Froth floatation
  6. Sodium hydroxide solution
  7. Zinc blende
  8. Write down the three letters each from the above list which are relevant to
  9. Zinc
  10. Aluminium
  11. Fill in the blanks using the most appropriate words from A to F.
  12. The ore from which aluminium is extracted must first be treated with ………………. so that pure aluminium oxide can be obtained.
  13. Pure aluminium oxide is dissolved in ….. to make a conducting solution.

 iii. Write the formula of cryolite.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×