Question

Table 5.2
S. No. Test solution
Effect on red
Effect on blue
Inference
litmus paper
litmus paper​

Answer 1

Answer:

Test solution Effect on red litmus paper Effect on blue litmus paper Inference. Lemon juice No change Red Acidic. Tap water No change No change Neutral. ... Baking soda solution Blue No change Basic.

Litmus paper is filter paper which has been treated with a natural water-soluble dye obtained from lichens. The resulting piece of paper, called "litmus paper", can be used as a pH indicator. Blue litmus paper turns red under acidic conditions while red litmus paper turns blue under alkaline conditions .Blue litmus does not change color under alkakine conditions, while red litmus paper does not change color under acidic conditions. Neutral litmus paper is purplish in color.