Category: Chemistry - What is a corrosive substance with a pH value less than 7 called?

Questions

Which English artillery officer gave his name to a shell originally used in WWI which contained small shot and an explosive charge to scatter shot as well as fragments of the shell casing?

Which day of the year used to be known as St Distaffs Day?

Name of the glass that is poured onto molten tin to achieve a perfect finish and avoid grinding, invented by Pilkington?

Who was the alleged witch born in 1488 in a cave near Knaresborough who predicted the Defeat of the Spanish Armada and the Great Fire of London?

The name of which breed of dog means badger dog in german?