Question

1. You are provided with three clear and colourless
liquids in three different test tubes. How will
you identify which test tube contains an acid,
a base or water?
2. How will you show that carbon dioxide is evolved
when an acid reacts with bicarbonate?
3. Joseph took some sodium hydroxide solution in
a petri dish and dipped a red litmus paper into
it. The red litmus paper turned blue.
He took vinegar in the same petri dish and
dipped blue litmus paper. It did not turn red.
(Vinegar, being an acid, must turn blue litmus
to red) What may be the reason for this?

Answer 1

Answer:

1.using indicators or litmus paper we can identify whether the given liquid is acid base or water .

Red litmus turns blue in base.

and blue litmus turns red in acid.

Both the litmus does not change colour in water.

This is just first answer

hope this helps you