File:Litmus paper.JPG

DescriptionLitmus paper.JPG English: Blue (top) and red (bottom) litmus paper. When litmus paper is placed in acid, the red stays red (bottom right) and

DescriptionRed litmus paper.jpg English: This red litmus paper is taken from Mahidol University International College's laboratory Date 4 February 2016

DescriptionBlue litmus paper.jpg English: This blue litmus paper is taken from Mahidol University International College's laboratory Date 4 February 2016

DescriptionBlue and red litmus paper.JPG English: blue and red litmus paper Date 2 April 2013, 10:37:37 Source Own work Author Meganbeckett27

DescriptionThe result of red litmus paper.jpg English: Red litmus paper reacts with hydrochloric acid Date 10 March 2016 Source Own work Author Kanesskong