The pH of alkalis is between 0 and 7 while the pH of acids is between 7 and 14., True, False, What happens when red litmus paper and blue litmus paper are dipped into an acid?, Blue litmus paper remains blue., Blue litmus paper turns from blue to red., Red litmus paper remains red., Red litmus paper turns from red to blue., What happens when red litmus paper and blue litmus paper are dipped into distilled water?, Blue litmus paper remains blue., Blue litmus paper turns from blue to red., Red litmus paper remains red., Red litmus paper turns from red to blue., What provides an accurate and precise measurement of pH value?, litmus paper, pH meter with data logger, Universal indicator, A solution turns green Universal indicator purple. The solution is (?)., acidic, neutral, alkaline, A solution that turns Universal indicator red is mixed with a solution that turns Universal indicator blue. What type of reaction is this?, Combustion, Neutralisation, Oxidation, Thermal decomposition, Antacids are alkalis used to treat heartburn caused by excess stomach acid. What happens to the pH of the stomach when antacids are added?, pH decreases, pH increases, pH remains the same, One method to preserve food is to pickle it using ethanoic acid, also known as vinegar. What happens to the pH of the food due to this pickling process?, pH decreases, pH increases, pH remains the same

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