1.

Match column–I (process) with column–II (electrolyte) : Column–I (process) (i) Downs cell (ii) Dow sea water process (iii) Hall–Heroult (iv) Moissan Column–II (electrolyte) (W) Fused MgCl_2 (X) fused (Al_2O_3 + Na_3AlF_6 + CaF_2) (Y) fused KHF_2 (Z) fused (40%NaCl + 60% CaCl_2 ) Choose the correct alternate

Answer»

`(i) to Z , (II) to W , (iii) to X , (IV) to Y`
`(i) to X , (ii) to Y , (iii) to Z , (iv) to W `
`(i) to W , (ii)toZ , (iii) to X , (iv) to Y`
`(i) to X , (ii)to Z, (iii) to W , (iv) to Y`

Answer :A


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