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  1. Which is/are the important raw material(s) required in cement industry?

  2. A.
    Gypsum and Clay
    B.
    Clay
    C.
    Limestone and Clay
    D.
    Limestone

  3. Which type of fire extinguisher is used for petroleum fire?

  4. A.
    Powder type
    B.
    Liquid type
    C.
    Soda acid type
    D.
    Foam type

  5. Which of the following is commonly called a 'polyamide'?

  6. A.
    Terylene
    B.
    Nylon
    C.
    Rayon
    D.
    Orlon

  7. Epoxy resins are used as

  8. A.
    detergents
    B.
    insecticides
    C.
    adhesives
    D.
    moth repellents

  9. Detergents used for cleaning clothes and utensils contain?

  10. A.
    bicarbonates
    B.
    bismuthates
    C.
    sulphonates
    D.
    nitrates

  11. Which of the following is used for removing air bubbles from glass during its manufacture?

  12. A.
    Arsenous oxide
    B.
    Potassium carbonate
    C.
    Soda ash
    D.
    Feldspar

  13. Which of the following is a protein?

  14. A.
    Natural rubber
    B.
    Starch
    C.
    Cellulose
    D.
    None of these

  15. Wood is the main raw material for the manufacture of

  16. A.
    paint
    B.
    paper
    C.
    ink
    D.
    gun powder

  17. Rayon is chemically

  18. A.
    cellulose
    B.
    pectin
    C.
    glucose
    D.
    amylase

  19. Optic fibres are mainly used for which of the following?

  20. A.
    Musical instruments
    B.
    Food industry
    C.
    Weaving
    D.
    Communication