Despite a ban by the Government as it produces harmful acetylene gas, which chemical is most commonly used by fruit sellers for artificial ripening of fruits ?
Calcium carbide
Which poisonous compound can be a gas, solid or liquid, the most infamous application of which was use by the Nazi regime in Germany for mass murder in some gas chambers during the Holocaust?
In 1847, obstetrician James Young Simpson, head of midwifery at Edinburgh Hospital/University, first used what anaesthetic, for general anaesthesia during childbirth?
