Advertisements
Advertisements
प्रश्न
The chemical formula of zinc blend is _______.
पर्याय
ZnSO4
ZnS
ZnCO3
ZnO
उत्तर
The chemical formula of zinc blend is ZnS.
APPEARS IN
संबंधित प्रश्न
Give the importance of the following for living beings:
Nitrogen
Why are alkali metals kept in kerosene oil?
brown powder deposit on iron?
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
Name the methods used for purification?
Where are the cathode and anode in the electrolytic cell? Name the material used for these?
Which metal is used for:
lithographic plates for printing
Which metal is used for:
making face creams
Explain the term of Metallurgy .
What do you observe when hydrogen is passed over heated copper oxide?
Match the columns.
| Group A | Group B |
| 1. ZnS | a) Copper Sulphide |
| 2. HgS | b) Bauxite |
| c) Cinnabar | |
| d) Zinc blend |
Write scientific reason.
Magnetic separation method is used to separate the magnetic ingredients in the ores.
Draw a neat and labelled diagram for Froth Floatation Process.
The chemical name of rust is ______.
State the reason for the addition of caustic alkali to bauxite ore during the purification of bauxite.
Explain the smelting process.
Which of following metals occurs in native state?
