11. Finely ground calcium aluminate & silicate is a/an
12. Tall oil obtained as a by-product from the black liquor recovery is
13. Main use of hydrazine is
14. In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed :
15. Which of the following is not a raw material used for the manufacture of ordinary glass?
16. Margarine is a/an
17. Massecuite is
18. Cumene is the starting material for the production of
19. Molasses is the starting material for the production of
20. Flexible foam (for mattresses) is usually made of
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