हिंदी

The chemical formula of zinc blend is _______.

Advertisements
Advertisements

प्रश्न

The chemical formula of zinc blend is _______.

विकल्प

  • ZnSO4

  • ZnS

  • ZnCO3

  • ZnO

MCQ
रिक्त स्थान भरें
Advertisements

उत्तर

The chemical formula of zinc blend is ZnS.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 8: Metallugy - Choose the correct option. [पृष्ठ ८]

APPEARS IN

संबंधित प्रश्न

Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is more reactive metal.

Give the effect of heat on their ?
oxides


Metal A has an electronic configuration of 2, 8, 1 and metal B has 2, 8, 8, 2 which is more reactive metal.

Give the effect of heat on their: hydroxide


Name:

(b) two metallic oxides which cannot be reduced by carbon, carbon monoxide or hydrogen


Explain the following terms:

(c) slag


Explain the following terms:

smelting


On which factors does the purification of metals depend?


Name the methods used for purification?


`2Cu_2O +Cu_2S` ......................


Where are the cathode and anode in the electrolytic cell? Name the material used for these?


How is it removed?


Name a metal which forms a liquid alloy at ordinary temperature.


Arrange the metals in (2) in the decreasing order of reactivity.


The following is a sketch of an electrolytic cell used in the extraction of aluminium :

(a) What is the substance of which the electrode A and B are made?
(b) At which electrode (A or B) is aluminium formed?
(c) What are the two aluminium compounds in the electrolyte C?
(d) Why is it necessary for electrode B to be continuously replaced?


Match the columns.

Group A Group B
1. ZnS a) Copper Sulphide
2. HgS b) Bauxite
  c) Cinnabar
  d) Zinc blend

Identify the following method of concentration of ores and explain briefly.


Observe the figure and name and explain in brief the following method:


Observe the figure and name and explain in brief the following method:


Chemical formula of rust is ______


The chemical name of rust is ______.


After partial roasting, the sulphide of copper is reduced by ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×