Sodium hydroxide and hydrochloric acid what kind of test to differentiate them if both does not have labels on, and we don't know which is which?

Iwll give extra points to who gets this for ! what type of reaction is this? ?

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

What happens when the temperature of a solution increases?