Consider the following isolatin/purification pocess: (P) Heating impure metal with I_(2) at 150-200^(@)C and passing the resulting volatile iodidle on hot tungsten filament at 1400^(@)C to get the pure metal. (Q) Heating the sulphide ore in air unitil a part is converted to oxide and then further heating in the absence of air to let the oxide react with unchanged metal sulphide to get the metal. (R) Electrolysis of the molten electrolyte containing metal oxide and cryolite or flourspar to obtain the metal The process used for obtaining aluminium, titanium and lead are respectively,

Consider the following isolatin/purification pocess: (P) Heating impu

1.	Consider the following isolatin/purification pocess: (P) Heating impure metal with I_(2) at 150-200^(@)C and passing the resulting volatile iodidle on hot tungsten filament at 1400^(@)C to get the pure metal. (Q) Heating the sulphide ore in air unitil a part is converted to oxide and then further heating in the absence of air to let the oxide react with unchanged metal sulphide to get the metal. (R) Electrolysis of the molten electrolyte containing metal oxide and cryolite or flourspar to obtain the metal The process used for obtaining aluminium, titanium and lead are respectively,
Answer» P,Q and R only Q,R and P R,P and Q Q,P and R Answer :C