Bsc 1st year | Revision one and 2 February 4, 2022February 4, 2022 by Sunil Mahato Revision-2-1Download Revision 1st : https://allchemistrynp.com/wp-content/uploads/2022/02/Revision-1.pdf Revision-2-2Download Revision 2: https://allchemistrynp.com/wp-content/uploads/2022/02/Revision-2.pdf