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Chemical Engineering :: Materials and Construction

  1. How many molecules per unit cell are there in a face centred cubic lettice ?

  2. A.
    2
    B.
    4
    C.
    6
    D.
    8

  3. Which of the following comprises of hydrocarbons ?

  4. A.
    Mica flakes
    B.
    Glass
    C.
    Rubber
    D.
    None of these