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    Question

    What is the process in which a thick oxide layer of

    aluminium is developed over the aluminium articles that is dyed to give an attractive finish? 
    A Blueing Correct Answer Incorrect Answer
    B Immersion Correct Answer Incorrect Answer
    C Galvanisation Correct Answer Incorrect Answer
    D Anodising Correct Answer Incorrect Answer

    Solution

    The correct answer is D

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