2 Experiment Techniques

Question 1

Time

Answer 1

• can be measured using stopwatch or stopclock

Question 2

Temperature

Answer 2

• measured with a thermometer

- degrees celsius

Question 3

Mass

Answer 3

• measured using digital scale

- kilogram

Question 4

Volume-Liquids

Answer 4

• can be determined using several types of apparatus
• pipetts
• burettes

Question 5

Simple Chromatograms

Answer 5

• substance is a mixture, will separate on paper

- the same, produce identical ones

Question 6

Methods of Purification

Answer 6

• filtration
• crystallization
• simple distillation
• fractional distillation

Question 7

Fractional Distillation

Answer 7

• used to separate two or more liquids

- all liquids have different boiling points