Correct: Zinc, Copper Chloride Solution, Molten Lead Iodide, NaCl (aq), Carbon (graphite), Aqueous Potassium nitrate, MgCl2 (l), Copper, Hydrochloric Acid Solution, K2SO4 (l), Sulphuric Acid Solution, Nitric Acid Solution, Liquid Mercury, Molten Aluminium Chloride, Solid Gold, Incorrect: Solution of C3H7OH, Solid Iodine, C6H14 (l), Carbon (diamond), NaCl (s), Wood, Solid Potassium Nitrate, SiO2 (s), Glucose (C6H12O6) Solution, CaCO3 (s), Br2 (l), Solid Silicon, AlCl3 (s), H2O (l), C2H5OH (l),

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