The coagulation of 100 ml of colloidal solution of gold is completely prevented by addition of 0.25 g of a substance “X” to it before adding 1 ml of $10 % N a C l$ solution. The gold number of “X” us

0.25

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250

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2.5

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Solution

The correct option is B
25

25

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Q. The coagulation of 100ml of colloidal solution of gold is completely prevented by addition of 0.25g of a substance of X to it before adding 1ml of 10% NaCl solution. the gold number of "X" is-

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Q. The coagulation of

100 m L

of a colloidal solution of gold is completely prevented by adding

0.25 g

of starch to it before adding

10 m L

10

N a C l

solution. Find out the gold number of starch.

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The coagulation of 100 ml of colloidal solution of gold is completely prevented by addition of 0.25 g of a substance “X” to it before adding 1 ml of 10%NaCl solution. The gold number of “X” us

The correct option is B 25 25

The coagulation of 100 ml of colloidal solution of gold is completely prevented by addition of 0.25 g of a substance “X” to it before adding 1 ml of $10 % N a C l$ solution. The gold number of “X” us

The correct option is B
25

25