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JEEMAIN and NEET
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JEEMAIN PAST PAPERS
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2008
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Q)
Gold numbers of protective colloids A, B, C and D are 0.50, 0.01, 0.10 and 0.005, respectively. The correct order of their protective powers is
( A ) C < B < D < A
( B ) A < C < B < D
( C ) B < D < A < C
( D ) D < A < C < B
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