The iron obtained by blast furnace possesses how many percentage of carbon ?

Which is the ore of aluminium ?

Which is ore of Iron ?

Which principle is involved in chromatographic separation ?

Select the proper choice by mentioning True statement by symbol T and False statement by symbol F : (i) The study of metallurgy with change in temperature is called the thermodynamical metallurgy. (ii) Scientist Ellingham studied the curves of AG° versus temperature T. (iii)If E°_cell obtained is positive then the 0 value of ΔG° will be negative and the reaction will be spontaneous. (iv) Smelting method used for refining for metal like gold having high melting point.

Which method of purification is represent by the following equation ? ${\mathrm{Ti}}_{\left(\mathrm{s}\right)}+2{\mathrm{I}}_{2\left(\mathrm{g}\right)} \stackrel{523\mathrm{K}}{\to } {\mathrm{TiI}}_{4\left(\mathrm{g}\right)} \stackrel{1700\mathrm{K}}{\to } {\mathrm{Ti}}_{\left(\mathrm{s}\right)}+2{\mathrm{I}}_{2\left(\mathrm{g}\right)}$

The method of zone refining of metals is based on the principle of

Bauxite, an ore of aluminium is purified by

Which of the following is sulphide ore ?

An ore of potassium is