Windows Live® Search Results
Windows Live® Search Results Litmus, vegetable dye obtained from lichens, usually of the genus Variolaria, and used in chemistry to determine the presence of acids and bases in a solution. Strips of paper impregnated with a blue or red litmus solution, or small quantities of the solution itself, are used to indicate the presence of an acid or a base; acids turn blue litmus red, and bases turn red litmus blue.
© 1993-2008 Microsoft Corporation. All Rights Reserved. |
© 2008 Microsoft
![]() ![]() |