1. (c) Generally, metals are ductile. Mercury (metal) is liquid at room temperature and cannot be drawn into wires. Therefore, it is non-ductile. So the option (a) is incorrect. Not a single non-metal is ductile, so option (b) and (d) are incorrect. https://www.tiwariacademy.com/ncert-solutions/class-8Read more

    (c) Generally, metals are ductile.
    Mercury (metal) is liquid at room temperature and cannot be drawn into wires. Therefore, it is non-ductile. So the option (a) is incorrect. Not a single non-metal is ductile, so option (b) and (d) are incorrect.

    https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-4/

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  2. (a) Zinc As Zinc is a metal and metal has property of malleability (Can be converted in sheet by beating). Rest of these are non-metals. https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-4/

    (a) Zinc
    As Zinc is a metal and metal has property of malleability (Can be converted in sheet by beating). Rest of these are non-metals.

    https://www.tiwariacademy.com/ncert-solutions/class-8/science/chapter-4/

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