FOOD: Spirit distilled from malted barley?

Questions

Ninety eight per cent of the weight of water is made up from?

For every extra kilogram carried on a space flight, _____ kg of excess fuel are needed at lift-off?

Sugar was first added to chewing gum in ____ . . . by a dentist ( William Semple)?

A full loaded supertanker travelling at normal speed takes a least ______ minutes to stop?

Paper money was first used in?