Choose the correct information regarding the acids and bases as per the different theories given below.
1
According to Arrhenius theory, an acid is a substance that is a proton donor.
2
According to Lewis theory, a base is any substance that can accept electron pairs.
3
According to Bronsted and Lowry theory, a base is a proton acceptor.
4
According to Lewis theory, a base is a substance that forms hydroxide ions in water.