Gold Number
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Q. 83. On addition of 1mL of 10% of NaCl solution to 10mL gold sol in presence of 0.025g of starch, the coagulation is just prevented. starch has a gold number of
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Q.
On the addition of 1 ml. of 10% solution of sodium chloride to 10 ml. of gold sol in presence of 0.025 g of starch, the coagulation is just prevented. The gold number of starch is
0.025
0.25
2.5
25