Fehling's Test Quiz

What is the primary purpose of Fehling's test?

• To test for the presence of lipids

• To measure pH levels

• To detect the presence of proteins

• To identify reducing sugars

Who developed Fehling's reagent and in which year?

• Louis Pasteur in 1850

• Robert Koch in 1882

• Hermann von Fehling in 1849

• Marie Curie in 1903

What is the role of sodium hydroxide in Fehling's reagent?

• To act as a reducing agent

• To provide alkaline conditions for the reaction

• To act as a catalyst

• To stabilize the solution

Why are Fehling's solutions A and B prepared separately?

• To prevent premature reaction

• To reduce preparation time

• To save on storage space

• To enhance the color of the solution

What is the first step in preparing Fehling's reagent A?

• Dissolving the salts in water

• Mixing sodium hydroxide and tartrate

• Weighing copper sulfate pentahydrate

• Adding sulfuric acid