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Study of water samples collected from different water bodies for their pH, clarity and presence of living organisms (microscopic/ planktonic)

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Biology practical notebook class 12 Maharashtra board solutions pdf  To study water samples for measuring all, clarity (turbidity), and presence of living organisms.  1. pll test of water sample with Litmus paper Introduction: pH is a measure of the acidity or alkalinity of water.  The pH of water is primarily decided by the salts present in the soil from where the water sample is collected.  But pH also changes due to organic matter, fertilizers, sewage, and other pollutants.  Requirements: Different water samples, sample bottle with cap.  pH papers of different ranges etc.  Procedure: Collection and preparation of sample  Biology  Answers Practical Notebook Standard XII Class-12th  Aim:  To study water samples for measuring all, clarity (turbidity), and presence of living organisms.  1. pll test of water sample with Litmus paper Introduction: pH is a measure of the acidity or alkalinity of water.  The pH of water is primarily decided by the salts present in the soil from where th

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