(a) What is litmus? How is litmus paper obtained?(b) Write the method

1.	(a) What is litmus? How is litmus paper obtained?(b) Write the method of preparation of turmeric paper.
Answer» Litmus: To determine acidity or basicity of any substance, litmus is most commonly used as natural indicator. Litmus is obtained from lichen. It is used both as a solution and as strips of paper. These strips of paper are called litmus paper. There are two types of litmus papers: Red litmus and blue litmus. (a) Lichen (b) Red and Blue Litmus Paper Turmeric paper: Take some turmeric powder in a spoon. Mix small amount of water in it and make a paste. Spread this paste in a piece of white paper. Cut into small strips after drying. Now, turmeric paper is ready to use.

(a) What is litmus? How is litmus paper obtained?(b) Write the method of preparation of turmeric paper.

Answer»

Litmus: To determine acidity or basicity of any substance, litmus is most commonly used as natural indicator. Litmus is obtained from lichen. It is used both as a solution and as strips of paper. These strips of paper are called litmus paper. There are two types of litmus papers: Red litmus and blue litmus.

(a) Lichen

(b) Red and Blue Litmus Paper Turmeric paper: Take some turmeric powder in a spoon. Mix small amount of water in it and make a paste. Spread this paste in a piece of white paper. Cut into small strips after drying. Now, turmeric paper is ready to use.

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