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InterviewSolution
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The collidal solutions of gold prepared by different methods have different colurs due to :A. differece in the size and shape :B. the fact that gold exthbits varible valebncyC. different concentration of goldD. presence of different types of collodal particles |
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Answer» Correct Answer - A The colour of any sol depends on its particle size and shape . Au sol is red if particles are speherical and blue of they are disc like . |
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