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

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