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Science

8th -

10thgrade

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MATERIALS :METALS AND NON-METALS

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10 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Metals can be beaten into thin sheets.Which property does it show?

    ductility

    lustre

    malleabilty

    conductivity

  • 2. Multiple Choice
    30 seconds
    1 pt

    Almost all metals are very hard and non-metals are not very hard.Which following pair is an exception to this statement?

    sodium and sulphur

    potassium and carbon

    sodium and diamond

    iron and phosphorous

  • 3. Multiple Choice
    30 seconds
    1 pt

    Magnesium ribbon burns to produce MgO and this oxide further reacts with water to give rise to Mg (OH)2, which changes red litmus to blue one.What is the nature of this compound?

    Acidic

    Basic

    both acidic and basic

    none of these

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