TY  - BOOK
AU  - NCERT
TI  - Chemistry part I: : Textbook for Class XI
SN  - 81-7450-494-X
U1  - 540 N213C 
PY  - 2006///
CY  - New Delhi
PB  - : NCERT
KW  - Chemistry-Textbook-class11th
UR  - https://ncert.nic.in/textbook.php?kech1=ps-6
ER  -