Identify three physical properties of ionic compounds that are associated with ionic bonds

If you want to create an electrical current, which situation would produce a solution capable of this

Summarize possible ways in which phases of matter could combine to form a solution.

Ants live on acacia trees in south america. the ants feed on sugars secreted by the trees. the trees provide room for the ants to live. the ants sting any other insect or animal that comes to eat the trees. what type of relationship is this?