study material topic: hydrogen sulphide subject: …
TRANSCRIPT
STUDY MATERIAL TOPIC: HYDROGEN SULPHIDE SUBJECT: PHYSICAL SCIENCE CLASS: X DATE: 28TH APRIL 2020
Prepared By: Mr. Soumak Chatterjee
TRANSCRIPT
STUDY MATERIAL TOPIC: HYDROGEN SULPHIDE SUBJECT: PHYSICAL SCIENCE CLASS: X DATE: 28TH APRIL 2020
Prepared By: Mr. Soumak Chatterjee