Chemical Technology GATE-1999
Q 1: Sucrose is a disaccharide consisting of
Q 2: The organic acid monomer in Nylon 66 is
Q 3: Which one of the following is not likely to be a constituent of vegetable oils?
Q 4: The gas that contributes the maximum to the heating value of natural gas is
Q 5: Match each polymer mentioned in the left-hand column with the corresponding chemical nature listed in the right-hand column.
| Group -1 | Group -2 |
| A: Perspex | 1: Polysaccharide |
| B: Rayon | 2: Polyamide |
| 3: Polyacrylate | |
| 4: Polyester | |
| 5: Polyether | |
| 6: Polyolefin |
Q 6: Write the overall chemical reaction (stoichiometrically balanced) for the manufacture of each of the following chemicals
| A: vinyl acetate from ethylene |
| B: urea from ammonia |
| C: styrene from ethyl benzene |
| D: caustic soda from brine |
| E: triple super phosphate from phosphate rock |