How can litmus paper be used to measure pH?

What is the pH of 50 mL of Distilled Water mixed with 0.5 g of Zinc (using red litmus paper)?

Whati s the pH of 50 mL of 5 mL of 5 M HCl mixed with 0.5 g of Zinc (using red litmus paper)?

What is the pH of 5 mL of 1 M Copper (II) Sulfate mixed with 0.25 g of Zinc (using red litmus paper)?

What is the pH of 2 mL of 0.1 M Zinc Acetate mixed with 2 mL of 0.1 M Sodium Phosphate (using red litmus paper)?

Litmus paper is a classic pH indicator. Describe the color changelitmus paper undergoes when placed in both acidic and basicsolutions?
For Litmus paper, the color change is over the pH range of____________ to ____________.

Are each of the following properties, properties of acids or bases?

-tastes bitter

-tastes sour

-feels slippery

-reacts with metals and carbonates

-turns red litmus paper blue

-turns blue litmus paper blue