321114 In Goldschmidt's aluminothermic process,thermite mixture contains____ parts of \({\rm{F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) and one part of aluminium.

321115 Which metal can be obtained from electrolysis?

321116 Which of the following metals is extracted by the electrometallurgical method?

321117 The fluorspar \(\mathrm{\left(\mathrm{CaF}_{2}\right)}\) is added in small quantities in the electrolytic reduction of alumina dissolved in fused cryolite \(\mathrm{\left(\mathrm{Na}_{3} \mathrm{AlF}_{6}\right)}\). The role of fluorspar is/are
I. To decrease the rate of oxidation of carbon at anode.
II. To act as a catalyst
III. To lower the temperature of the melt.
IV. To make the fused mixture very conducting
Choose the correct statement(s).

321118 Which of the following gives metal by electrolytic reduction conveniently and profitably?

321114 In Goldschmidt's aluminothermic process,thermite mixture contains____ parts of \({\rm{F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) and one part of aluminium.

321115 Which metal can be obtained from electrolysis?

321116 Which of the following metals is extracted by the electrometallurgical method?

321117 The fluorspar \(\mathrm{\left(\mathrm{CaF}_{2}\right)}\) is added in small quantities in the electrolytic reduction of alumina dissolved in fused cryolite \(\mathrm{\left(\mathrm{Na}_{3} \mathrm{AlF}_{6}\right)}\). The role of fluorspar is/are
I. To decrease the rate of oxidation of carbon at anode.
II. To act as a catalyst
III. To lower the temperature of the melt.
IV. To make the fused mixture very conducting
Choose the correct statement(s).

321118 Which of the following gives metal by electrolytic reduction conveniently and profitably?

321114 In Goldschmidt's aluminothermic process,thermite mixture contains____ parts of \({\rm{F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) and one part of aluminium.

321115 Which metal can be obtained from electrolysis?

321116 Which of the following metals is extracted by the electrometallurgical method?

321117 The fluorspar \(\mathrm{\left(\mathrm{CaF}_{2}\right)}\) is added in small quantities in the electrolytic reduction of alumina dissolved in fused cryolite \(\mathrm{\left(\mathrm{Na}_{3} \mathrm{AlF}_{6}\right)}\). The role of fluorspar is/are
I. To decrease the rate of oxidation of carbon at anode.
II. To act as a catalyst
III. To lower the temperature of the melt.
IV. To make the fused mixture very conducting
Choose the correct statement(s).

321118 Which of the following gives metal by electrolytic reduction conveniently and profitably?

321114 In Goldschmidt's aluminothermic process,thermite mixture contains____ parts of \({\rm{F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) and one part of aluminium.

321115 Which metal can be obtained from electrolysis?

321116 Which of the following metals is extracted by the electrometallurgical method?

321117 The fluorspar \(\mathrm{\left(\mathrm{CaF}_{2}\right)}\) is added in small quantities in the electrolytic reduction of alumina dissolved in fused cryolite \(\mathrm{\left(\mathrm{Na}_{3} \mathrm{AlF}_{6}\right)}\). The role of fluorspar is/are
I. To decrease the rate of oxidation of carbon at anode.
II. To act as a catalyst
III. To lower the temperature of the melt.
IV. To make the fused mixture very conducting
Choose the correct statement(s).

321118 Which of the following gives metal by electrolytic reduction conveniently and profitably?

321114 In Goldschmidt's aluminothermic process,thermite mixture contains____ parts of \({\rm{F}}{{\rm{e}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\) and one part of aluminium.

321115 Which metal can be obtained from electrolysis?

321116 Which of the following metals is extracted by the electrometallurgical method?

321117 The fluorspar \(\mathrm{\left(\mathrm{CaF}_{2}\right)}\) is added in small quantities in the electrolytic reduction of alumina dissolved in fused cryolite \(\mathrm{\left(\mathrm{Na}_{3} \mathrm{AlF}_{6}\right)}\). The role of fluorspar is/are
I. To decrease the rate of oxidation of carbon at anode.
II. To act as a catalyst
III. To lower the temperature of the melt.
IV. To make the fused mixture very conducting
Choose the correct statement(s).

321118 Which of the following gives metal by electrolytic reduction conveniently and profitably?