Seperating Mixtures

Question 1

Residue -

Answer 1

the substance left in the filter paper after the filtration process has occured. This substance is susually insoluble solid.

Question 2

Filtrate

Answer 2

• the substance that flows through the filter paper and into the conical flask. The filtrate is usually a liquid and may contain soluble solids.

Question 3

Bolling Point

Answer 3

• the temperature at which all of the substance changes state from a liquid to a gas.

Question 4

Distillation -

Answer 4

a separation technique that separates substances based on the fact that all substances have different boiling points.

Question 5

Miscibility

Answer 5

• how well substances mix together.

Question 6

Chromoatography

Answer 6

-a separation technique that is used to separate miscible liquids from each other.

Question 7

Chromatogram

Answer 7

• a visual pattern formed by the separation of a mixture onto another material like filter paper.

Question 8

Mixture

Answer 8

: two or more different substances physically combined;the physical change is easily reversible.
I these are our separating techniques

Question 9

What are the 3 types of mixtures

Answer 9

• A mixture of different elements
• A mixture of different elements and compounds
• A mixture of different compounds

Question 10

What is decanting

Answer 10

Decanting is a technique also known as pouring.

Question 11

When is decanting is it used

Answer 11

It is often used when you have a liquid and an insoluble solid.

Question 12

How is the way decanting works

Answer 12

For this to work, the insoluble solid needs to have a higher density that it will stay in the container.

Question 13

What is the method of decanting

Answer 13

The liquid is carefully poured off and the solid is left in the original container.

Question 14

True or false is decanting accurate

Answer 14

False :decanting is not very accurate

Question 15

What is filtration

Answer 15

Filtration is a technique using to separate insoluble solids from a liquid.

Question 16

How is filter paper used in filtration

Answer 16

Filter paper is used in a funnel which has tiny holes to all the liquid through but not the insoluble solid which is left in the filter paper. This is called residue.

Question 17

What happens to the residue after it is filtered

Answer 17

The residue can be air dried to remove excess liquid.

Question 18

What is the liquid in a chronicle flask called

Answer 18

the filtrate.