( Acidity ( ( ( is ( ( measured ( on ( ( ( ( a ( pH scale ) ) ( of 1-14 ) ) , ) ( with 1 ) ) ) ) ( being strongly ) ) ) ( ( acid , ) ( 14 ( being ( ( ( strongly alkaline ) and ) ( 7 neutral ) ) ) ) ) ) . ) )
(ROOT (SINV (ADVP (RB Acidity)) (VP (VBZ is) (VP (VBN measured) (PP (IN on) (NP (NP (DT a) (NN pH) (NN scale)) (PP (IN of) (NP (CD 1-14))) (, ,) (PP (IN with) (NP (CD 1))))) (S (VP (VBG being) (ADVP (RB strongly)))))) (NP (NP (NN acid)) (, ,) (NP (NP (CD 14)) (VP (VBG being) (ADJP (ADJP (RB strongly) (JJ alkaline)) (CC and) (ADJP (CD 7) (JJ neutral)))))) (. .)))
Acidity is measured on a pH scale of 1-14, with 1 being strongly acid, 14 being strongly alkaline and 7 neutral.
(ROOT (S (NP (DT The) (NN ph) (NN scale)) (VP (VP (VBZ measures) (NP (NNS acids) (CC and) (NNS bases))) (CC and) (VP (VBZ has) (NP (NP (CD 7)) (PP (IN as) (NP (DT a) (JJ neutral) (NN value)))))) (. .)))
The ph scale measures acids and bases and has 7 as a neutral value.