Question

The label on the bottle of chemical is spoiled. How will you find whether the chemical is acidic or not?

Answer 1

You can find the nature of that chemical by using Acid-Base indicators like litmus, Phenolphthalein, China rose extract , etc.

If the stored chemical is acid then the blue litmus will turn into red and if the chemical was basis in nature then the red litmus turn into blue color.

Answer 2

The label on the bottle of chemical is spoiled. How will you find whether the chemical is acidic or not?

Answer:

The chemical is acidic or not checked by two ways :

1.By use of litmus paper : If the given solution is acidic, it turns blue litmus to red litmus.

If the given solution is basic, it turns red litmus to blue litmus.

If the given solution is neutral, there is no effect on litmus paper.

2.By use of indicators : If the given solution is acidic, it turns methyl orange to red.

If the given solution is basic, it turns methyl orange to yellow

If the given solution is neutral, there is no effect on methyl orange indicator.