Some metallic compounds /ores are given below `[ZnS, .Al_2 O_3 .2 H_2 O, Cu_2 S]` Make a table containing ores, concentration method of the ore, name of the metal and one alloy of the metal.

Suggest methods for concentration of the following ores?1. ZnS 2. Fe_2 O_3 3. Cu_2 S

Bauxite, Al_2O_3.xH_2O is an important ore of aluminium. It is concentrated by leaching. Explain the method.

In the extraction of copper from its sulphide ore, the metal is formed by reduction of 'Cu2 O' with

The names of some metals are given below. Tungsten, Gold, Sodium, Copper, Iron, Magnesium Answer the following questions by selecting the appropriate ones from the list. Which metal with high malleability is used for making ornaments? Which of these metals reacts with cold water? Which of these is a hard metal but corrodes easily?

Some metals and salt solutionsaregiven (Cu,Zn, Ag, ZnSO_4, AgNO_3, MgCI_2) : Draw the diagram of a Galvanic cell that can be made using these substances.

A compound contains 28% of nitrogen and 72% of a metal by weight. 3 atoms of the metal combine with 2 atoms of nitrogen. Find the atomic weight of the metal. (N = 14)

One of the steps in metallurgyis concentration of ores. Majority of the concentration technique are physical in nature. But there Is a chemical method of concentration of ores.Give a metal ore which can be concentrated by chemical methods.

Some important chemcial equations of reactions taking place in a blast furnace are given below: Fe_2O_3+3COrarr2Fe+3CO_2 , CaCO_3rarrCaO+CO_2 , Cao+SiO_2rarrCaSiO_3 : What are the substances fed into the blast furnace along with the ore of iron?