acid is 0 to 6 in ph level which makes it acidic
chlorous_acid is chemically_acidic_substance. hypoiodous_acid is chemically_acidic_substance. phenol_acid is chemically_acidic_substance. chlorous_acid is acid. acidity is ph. acid is chemical. phenol_acid is not chemically_acidic_substance. hypoiodous_acid is not chemically_acidic_substance. acid is not chemical. chlorous_acid is not chemically_acidic_substance.