1. The basis of reverse osmosis is
Correct Answer is : Hydrostatic pressure is greater than the osmotic pressure
2. Select the incorrect statement from the following option.
Correct Answer is : Osmosis is used for the treatment of waste water
3. Semi-permeable membrane is selective membrane which does not permit the passage of dissolved ________ particles.
Correct Answer is : Solute
4. Which of the following is not used for semi-permeable membrane?
Correct Answer is : Polymethyl sulphate
5. The process of reverse osmosis is also known as
Correct Answer is : Hyper-filtration