Question

    (i) paper

    (a) multi layers of foil or paper

    (ii) laminated

    (b) silica

    (iii) glass

    (c) network of cellulose

    (iv) metals

    (d) steel

    A i-c, ii-d, iii-b, iv-a Correct Answer Incorrect Answer
    B i-c, ii-a, iii-b, iv- d Correct Answer Incorrect Answer
    C i-d, ii-a, iii-b, iv- a Correct Answer Incorrect Answer
    D i-a, ii-d, iii-a, iv-b Correct Answer Incorrect Answer

    Solution

    • Paper is made up ofcellulose fibre which appears as a thin sheet that produces mechanical processes.
    • Laminated is a multicellular foil, paper.
    • Glass is made up of sand (silicon dioxide, or SiO2), limestone (calcium carbonate, or CaCO3), and sodium carbonate (Na2CO3) .
    • Steel is an alloy made up of iron metal with typically a few tenths of a percent of carbon to improve its strength

    Practice Next