'This yellow element is found in gunpowder & matches & is used in vulcanizing rubber'
Sulphur
SCIENCE: This yellow element is found in gunpowder & matches & is used in vulcanizing rubber
This yellow element is found in gunpowder & matches & is used in vulcanizing rubber
This yellow element is found in gunpowder & matches & is used in vulcanizing rubber
SCIENCE
Sulphur
SCIENCE