What is the measure of mc001-4.jpg
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The ability of eye lens to adjust its focal length to see the near object and far object is called power of accommodation
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Sodium thiosulphate solution is standardized against potassium dichromate in presence of hydrochloric acid and potassium iodide. ... The iodine formed in the reaction oxidizes sodium thiosulphate giving sodium tetrathionate ion and the end point is detected by starch solution.
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