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

KA1 A sample of seawater has a measured pH of 8.1.Classify the seawater.

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.

KA1 A chemist tests an unknown solution and finds that it has a very high concentration of hydrogen ions (H+).Classify the chemical.a base with very low pHan acid with very high pHa base with very high pHan acid with very low pH

KA1 Lemon juice has a pH of 2.0. Classify the lemon juice.an acida baseneutralan alkali

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