Yes because if you put water in a cup and flip it over while carload is under it, it will stay
carboard box
Sigh... 9 if it's square 'cos 81 = 9 x 9
Californium don't react with water.
Curium doesn't react with water.
DDT doesn't react with water.
Protactinium react with water vapors.
Aluminum will not react with water at normal temperatures. Increase the temperature greatly, and just about any two things will react, though.
made from carboard as easy to burn
yes.
Californium don't react with water.
No, water and diamonds do not react chemically at all.
Sulfur doesn't react with water.