An acidMultiple Choicehas a value above 7 on the pH scale.is a chemical that takes hydrogen ions from a solution.has a value of 7 on the pH scale.is a chemical that adds hydrogen ions to a solution.All answers are correct.

What is ‘pH’ referring to?Group of answer choicesamount of Hydrogenits not pH, its PhDamount of Hydrogen ionsamount of saltamount of water

pH scale is a measure of the amount of a particle called [J] in the aqueous solutions. A solution of pH 7 contains [K] times more this particle than one of pH 9.

Which of the following substances would have a pH greater than 7?*1 pointstomach acidvinegarlaundry detergentlemon juice

The pH scale is based on a mathematical derivation of the negative logarithm of the concentration of ______ in moles per liter in a solution.Multiple choice question.the H+ ionsthe acidthe saltthe OH- ions

KA1 Select the correct word to complete the sentence below.The pH scale allows us to measure the ____________ of acids and bases.tastestrengthcolourtemperature