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JEE Main 2008 Chemistry question

ChemistrySurface ChemistryJEE Main 2008

Gold numbers of protective colloids and are 0.50, 0.01, 0.10 and 0.005, respectively. The correct order of their protective powers is

Answer: (3)

Solution

Protective power is inversely proportional to the gold number. Gold numbers: A 0.50

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Question ID VK-039065