Give the uses of zinc.

थोडक्यात उत्तर

Metallic zinc is used in galvanising metals such as iron and steel structures to protect them from rusting and corrosion.
Zinc is also used to produce die-castings in the automobile, electrical and hardware industries.
Zinc oxide is used in the manufacture of many products such as paints, rubber, cosmetics, pharmaceuticals, plastics, inks, batteries, textiles arid electrical equipment. Zinc sulphide is used in making luminous paints, fluorescent lights and x-ray screens.
Brass an alloy of zinc is used in water valves and communication equipment as it is highly resistant to corrosion.

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पाठ 1: Metallurgy - Evaluation [पृष्ठ २४]

पाठ 1 Metallurgy
Evaluation | Q 8. | पृष्ठ २४

Out of C and CO, which is a better reducing agent at the lower temperature range in the blast furnace to extract iron from the oxide ore?

What is the role of cryolite in the extraction of aluminium?

What is the role of coke in the extraction of iron from its oxides?

What is the role of silica in the extraction of copper?

Write the names and chemical formulae of any ‘two’ minerals of aluminium.

Explain the following methods to protect metals from corrosion:

Passivation

Metals which occur in their native state in nature:

Carbonate ore of iron is ____________.

In the extraction of iron, the slag produce is

Match List I with List II.

Choose the correct answer from the option given below.