Read the following statements carefully:1. A natural biopolymer, chitosan, which is water-soluble, has been chemically modified by researchers at the IIT Delhi.2. It can selectively remove either an oil or water phase from an oil-water mixture.3. The researchers have also made it possible to switch the chitosan-based material’s property from being extremely water-repelling to extremely oil-repelling and vice-versa.Which of the above statements is/are true?

Read the following statements carefully:1. A natural biopolymer, chito

1.	Read the following statements carefully:1. A natural biopolymer, chitosan, which is water-soluble, has been chemically modified by researchers at the IIT Delhi.2. It can selectively remove either an oil or water phase from an oil-water mixture.3. The researchers have also made it possible to switch the chitosan-based material’s property from being extremely water-repelling to extremely oil-repelling and vice-versa.Which of the above statements is/are true?
A.	Only 1
B.	Only 1 and 2
C.	Only 1 and 3
D.	Only 2 and 3
E.	All of the above
Answer» E. All of the above