EMCE Lesson 4.1 Daily Grade

Front

What is solubility?

Back

Solubility is the ability of a substance (solute) to dissolve in a solvent, forming a solution.

Front

Which dye is the most soluble in the given scenario?

Back

The most soluble dye is Blue.

Front

What does Rf value represent in chromatography?

Back

Rf value (retention factor) represents the ratio of the distance traveled by the solute to the distance traveled by the solvent front.

Front

What is the Rf value of the purple dye?

Back

The Rf value of the purple dye is 0.6.

Front

Can solutions contain more than one solute?

Back

True, solutions can have more than one solute.

Front

What is chromatography?

Back

Chromatography is a technique used to separate mixtures into their individual components based on their movement through a medium.

Front

What is capillary action?

Back

Capillary action is the ability of a liquid to flow in narrow spaces without the assistance of external forces, often seen in plants.

Front

Which plant species has pigments most similar to those in A?

Back

The plant species with pigments most similar to those in A is C.

Front

What is a solute?

Back

A solute is a substance that is dissolved in a solvent to form a solution.

Front

What is a solvent?

Back

A solvent is a substance that dissolves a solute, resulting in a solution.