Experimental Techniques

Question 1

What apparatus is for measuring temperature

Answer 1

Thermometer

Question 2

What apparatus is for measuring time

Answer 2

Stopwatch

Question 3

What apparatus is for measuring mass

Answer 3

Balance

Question 4

What apparatus is for measuring volume of gas

Answer 4

Gas syringes

Question 5

What apparatus is for measuring volume of liquids

Answer 5

• Measuring cylinder
• volumetric Pipette
• burette

Question 6

What apparatus is for measuring volume of solids

Answer 6

Measuring cylinder

Question 7

Solvent

Answer 7

Substance that dissolves a solute

Question 8

Solute

Answer 8

Substance that is dissolved in a solvent

Question 9

Solution

Answer 9

Mixture of one or more solutes dissolved in a solvent

Question 10

Saturated solution

Answer 10

Solution containing the maximum concentration of a solute dissolved in the solvent at a specific temperature

Question 11

Residue

Answer 11

A solid substance that remains after evaporation, distillation, filtration or any similar process

Question 12

Filtrate

Answer 12

A liquid or solution that has been passed through a filter

Question 13

How are the mp and bp of pure substances

Answer 13

They only have one specific one

Question 14

How are mp and bp of impure substances

Answer 14

They have a range

Question 15

Rf value equation

Answer 15

Distance solute moves/distance solvent moved (solvent front)

Question 16

What happens to the bp and mp of a pure substance when you add an impure substance

Answer 16

Increases the bp
Decreases the mp