Transcript
STUDY MATERIAL TOPIC: HYDROGEN SULPHIDE SUBJECT: PHYSICAL SCIENCE CLASS: X DATE: 28TH APRIL 2020
Prepared By: Mr. Soumak Chatterjee
STUDY MATERIAL TOPIC: HYDROGEN SULPHIDE SUBJECT: PHYSICAL SCIENCE CLASS: X DATE: 28TH APRIL 2020
Prepared By: Mr. Soumak Chatterjee