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    Question

    Which type of glass is used for making chemical

    apparatus like beakers, flasks etc.?
    A Soda glass Correct Answer Incorrect Answer
    B Optical glass Correct Answer Incorrect Answer
    C Hard glass Correct Answer Incorrect Answer
    D Photo-chromatic glass Correct Answer Incorrect Answer

    Solution

    Hard glass is a potash-lime glass with a high silica content, used for making brilliant glassware.This type of glass is ideal for telescope mirrors, laboratory chemical equipment and other places where it is imperative for the glass objects to retain their shape.

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