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Practical Theory Classroom. • Reaction of Acidified Potassium Di-Chromate with Hydrogen Sulphide • Reaction of Acidified Potassium Di-Chromate with Hydrogen Sulphide in Bengali. • #Reactant:- Potassium Di chromate Solution (Acidified by Sulphuric Acid) • Reagent:- Hydrogen Sulphide or, Sodium sulphide • Science Magic • #Chemical Reaction • #Chemical Experiment • #Chemical Magic • #Chemistry Practical • #Laboratory Experiment • #Chemistry Laboratory • #Laboratory • #Practical Theory Classroom • #Practical and Theory Classroom • Theory Classroom • Practical Classroom • Classroom • Theory and Practical Classroom • #Viral Science Experiments • #Sulphuric Acid • #Acid • Reactions of Acids • Reactions of Sulphuric Acid

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