(29) Explain what will happen to
both red litmus paper and blue
litmus paper when they are sused
to test the following substances
a) Vinegar (Acid)
bs Soap (Base)
(laundry detergent)
o a solution of washing powder and water
di a saltwater solution



Answer :

Final answer:

Litmus paper changes color based on the acidity or alkalinity of the tested substances, turning red in acids and blue in bases.


Explanation:

Red litmus paper will turn blue when placed in a base (alkaline solution). Conversely, blue litmus paper will turn red when placed in an acidic solution. In the case of testing substances like vinegar (acid), soap (base), laundry detergent solution, and a saltwater solution, the litmus paper color changes will indicate the nature of the substances.


Learn more about Acidic and alkaline reactions here:

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