Answers

2014-08-20T10:48:41+05:30
Methyl orange indicator is prepared as follows:
Sulfanilic acid is dissolved in dil.aq. acid and Sodium nitrite is added.This produces diazonium salt.
Litmus paper are made made up of extracts from lichens and from several dyes.
0
yep boy but all the chemicals need to be extracted from some ore.