Q. Pick out the wrong statement. (Solved)
1. With decrease in feed temperature, the number of plates required for binary distillation decreases for a given ‘L/V’ ratio
2. The extraction per unit of total height for a short packed column is more effective than for a tall column, in case of liquid-liquid extraction
3. Natural draft cooling towers are made of ferroconcrete and its cross-section is wider at the bottom
4. Vander wall adsorption is also called chemisorption
- d. Vander wall adsorption is also called chemisorption