8th Class Science Materials : Metals and Non-metals Question Bank Metals and Non Metals HOTS Subjective Problems

  • question_answer
    Name a non-metal which shows the following properties:                                                   (a) Is yellow and volatilizes at high temperatures,                (b) Is hard and has a high melting point,                        (c) Is hard and has a high melting point. (d) Has lustre but does not sublime on heating. (e) Conducts electricity in the solid state. (f) Present in the alloy which has wide applications. (g) Is liquid at ordinary temperatures. (h) Has high density. (i) Forms an acidic and a neutral oxide.

    Answer:

                   
    (a) Sulphur (S) (b) Carbon (diamond)
    (c) Iodine (I) (d) Carbon (diamond)
    (e) Carbon (Graphite) (f) Carbon
    (g) Bromine (Br) (h) Carbon (Diamond)
    (i) Carbon, nitrogen


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