Question

which of these is a property of acids? a) they produce hydrogen gas when reacted with metals. b) they turn litmus paper blue. c) they feel slippery. d) they taste bitter

Answer 1

A. They produce hydrogen gas when reacted with metals

Hope this helps

Answer 2

Generally speaking acids produce a salt and hydrogen gas when they react with metals. This is the result of acids having H+ ions. When acids interact with metal, extra hydrogen ions are released.