Testing the acids and bases with indicators viz .. Red litmus, blue litmus, phenolphthalein solution and methyl orange solution.

Prepare a table based on the colour responses of acid, base and salt with indicators such as red litmus paper, blue litmus paper, methyl orange and phenolphthalein indicators.

how strong are acids and base solutions?

The colour of phenolphthalein indicator in basic solution is

What is a litmus solution ?

When red litmus paper is dropped in common salt solution, it changes its colour to

Test the following salt substances with red litmus and blue litmus papers. Record your observations in the table.

If you dip blue litmus paper in sulphur dioxide Solution, it will change into

Fill in the Blank. Blue litmus paper turns…..colour in tamarind solution.

Vijay tested a solution with phenolphthalein indicator it was changed into pink colour. What is the colour of methyl orange in that solution ?

A solution turns red litmus blue, its pH is likely to be