1. (d) 10 Basic solution has a pH value more than 7. Since the solution turns red litmus blue, its pH is likely to be 10. For more answers visit to website: https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-2/

    (d) 10
    Basic solution has a pH value more than 7. Since the solution turns red litmus blue, its pH is likely to be 10.

    For more answers visit to website:
    https://www.tiwariacademy.com/ncert-solutions/class-10/science/chapter-2/

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