litmus paper

ریشه

From 'litmus' + 'paper'. First known use in the 19th century.

مثال

• The scientist used litmus paper to test the acidity of the solution.
• The litmus paper turned red, indicating an acidic environment.
• Litmus paper is a common tool in chemistry labs.

ترکیب‌های رایج

Use litmus paper Dip litmus paper Litmus paper test