History records that agricultural chemicals have been used since ancient times; the ancient Romans are known to have used burning sulfur to control insects, as well asusing salt to control weeds. (…)
When conducting the experiment it was obvious to assume that when mixing the same solutions to each other that there would be no reaction. This hypothesis was correct. (…)
Once upon a time, in a far away land of Britain in 1807, a soft silvery-white solid’s existence was first established by Sir Humphrey Davy. Davy was born in Penzance and was an apprenticed surgeon. (…)