Give the correct order of initials \( \mathbf{T} \) or \( \mathbf{F} \) for following statements...

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Give the correct order of initials \( \mathbf{T} \) or \( \mathbf{F} \) for following statements. Use \( \mathbf{T} \) if statement is true and \( \mathbf{F} \) if it is false.
(i) In Gold schmidt thermite process aluminium acts as a reducing agent.
(ii) \( \mathrm{Mg} \) is extracted by electrolysis of aq. solution of \( \mathrm{MgCl}_{2} \)
(iii) Extraction of \( \mathrm{Pb} \) is possible by carbon reduction method
(iv) Red Bauxite is purified by Serpeck's process
(a) TTTF
(b) TFFT
(c) FTTT
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