C3 Mixtures Revision starter

Sidst opdateret about 1 month ago

5 Spørgsmål

4.8.1.1

4.1.1.2

Bibliotek

C3 Mixtures Revision starter

Sidst opdateret about 1 month ago

5 Spørgsmål

Spørgsmål 1

Identify 2 differences between pure and impure substances

Pure substances are made from one type of substance

Pure substances have very specific melting and boiling points

Impure substances have very specific melting points

Impure substances are made of one type of substance

4.8.1.1

Spørgsmål 2

What is a mixture?

Combination of two or more substances

A single pure substance

Chemical reaction of substances

Burning of materials

4.1.1.2

Spørgsmål 3

What is the main purpose of filtering in chemistry?

It changes a liquid into a gas

It separates solid particles from a liquid

It combines two different substances

It identifies chemicals in a mixture

4.1.1.2

Spørgsmål 4

Which of the following does not affect the solubility of a solid in a liquid?

Size of the solid particles

Stirring the solution

Color of the solid

Temperature of the liquid

4.1.1.2

Spørgsmål 5

What happens when sugar is crushed before it's added to water?

Increases surface area and solubility

Decreases sugar's solubility

Makes sugar loses its sweetness

Turns water into sugar solution

4.1.1.2

Spørgsmål 1

Identify 2 differences between pure and impure substances

Pure substances are made from one type of substance

Pure substances have very specific melting and boiling points

Impure substances have very specific melting points

Impure substances are made of one type of substance

Spørgsmål 2

What is a mixture?

Combination of two or more substances

A single pure substance

Chemical reaction of substances

Burning of materials

Spørgsmål 3

What is the main purpose of filtering in chemistry?

It changes a liquid into a gas

It separates solid particles from a liquid

It combines two different substances

It identifies chemicals in a mixture

Spørgsmål 4

Which of the following does not affect the solubility of a solid in a liquid?

Size of the solid particles

Stirring the solution

Color of the solid

Temperature of the liquid

Spørgsmål 5

What happens when sugar is crushed before it's added to water?

Increases surface area and solubility

Decreases sugar's solubility

Makes sugar loses its sweetness

Turns water into sugar solution