Answers

2016-02-13T10:15:14+05:30
"litmus is a water soluble mix. of different dyes extracted from lichens.it is often absorbed onto filter paper to produce one of the oldest forms of PH indicator,used to test materials of acidity"
0
2016-02-13T10:15:25+05:30
It is made by soking the paper in a mixture of indicators which are organic dyes
0
litmus paper is made up of lichens