Chapter 2 - Separating substances

Question 1

How is matter classified?

Question 2

What is a mixture?

Question 3

How do you separate mixtures?

Question 4

Differentiate between a homogeneous mixture and heterogeneous mixture.

Question 5

How do you separate a solid from liquid? Give examples.

Question 6

What is a solution, solute and solvent?

Question 7

What is the difference between concentrated solution and dilute solution?

Question 8

Write the differences between unsaturated and saturated solutions.

Question 9

Draw a labelled diagram of filteration.

Question 10

Differentiate between crystallization and evaporation.

Question 11

How to separate copper sulfate?

Question 12

What is distillation and simple distillation? What is the application and what are the apparatus needed? Provide examples.

Answer 12

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Question 13

When you do an experiment of simple distillation with ethanol and water, why can’t you do it with an open flask?

Answer 13

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Question 14

What is chromatography?

Question 15

What are the applications of chromatography, the principals and their results?

Question 16

Give an example of the separation of colorless substances.

Question 17

What are the applications of fractional distillation?

Question 18

What is filtrate and residue?

Question 19

MEMORIZE TABLE ON PAGE 140 IN TB AND MEMORIZE TABLE MISS WILL SEND AND REVISE KEY IDENTIFIER POINTS ON PAPER IN PENCIL CASE!!