What is the test for acids and bases using litmus paper.
Answers
Answer:
Explanations
How to make a litmus paper....
I am going to show how to make it with turmeric indicator
Take a strip of paper of any size and dip it into the solution of turmeric and water... Keep it untill the strips get yellow color. Afterwards keep it to dry..
Time to test.....
Take lemon as acid. Rub the strip on it...
We observe that color is same.....
Take rin bar as base and rub one strip on it
We observe that the paper changes into pink or dark red....
Hope u understand it well
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Answer:
The main use of litmus is to test whether a solution is acidic or basic . Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions , with the color change occurring over the pH range 4.5-8.3 at 25°C (77°F).Neutral litmus paper is purple