Misc: In what book would you find a sorceress named 'The Witch of Endor'?

Questions

a gas produced by the incomplete combustion of coal in a mine fire is very poisonous, what is its chemical name?

what is the name for a narrow necked wine or spirit container of more than two gallon capacity?

what size of paper measures 297 x 420mm?

what is the storage polymer of plants?

in what year was the computer mouse introduced?