Softness of silver can be converted into hardness by alloying it with small quantity of_________________?

Question
What uses 28 calories if done for one minute?
Answer
Kiss

Question
What is the name of Doctor Claws pet in Inspector Gadget?
Answer
Madcat

Question
Name the X man who shoots laser beams from his eyes?
Answer
Cyclops

Question
What are banon, mimolette and samosoe types of?
Answer
Cheese