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The coagulation of 10 cm3 of Gold sol by 1 mL 10% NaCl solution is completely prevented by addition of 0.25 g of starch to it. The gold number of starch is: |
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Answer» The coagulation of 10 cm3 of Gold sol by 1 mL 10% NaCl solution is completely prevented by addition of 0.25 g of starch to it. The gold number of starch is: |
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