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Q50. Fehling Solution A and B respectively, are: (a) Alkaline solution of sodium potassium tartrate and alcoholic copper sulphate (b) Aqueous copper sulphate and alkaline solution off Rochelle salt (c) Alkaline potassium citrate and aqueous solution of copper sulphate (d) Alkaline solution of Rochelle salt and aqueous copper sulphate - FirstInTest | FirstInTest