Answer:
Each of these ends in a kettle full of precious metal and the double variety is quite awesome
What is often returned, but never borrowed/
What does a WW1 Trench, A Submarine and a Popular Phone App all have in common?
how many words are in those books
What is that which, though black itself, enlightens the world without burning?
What did the piece of wood say when he saw the screwdriver and screws approaching?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?