4 - researching chemistry

Question 1

what is a beaker?

Answer 1

• a container for stirring, mixing and heating liquids
• approximate measurement

Question 2

what is a measuring cylinder?

Answer 2

• a very quick and easy method to measure out volumes of liquids and solutions
• cannot be used when accuracy is required in chemical analysis
• approximate measurement

Question 3

what is an evaporating basin?

Answer 3

used for the evaporation of solutions

Question 4

what is a conical flask?

Answer 4

used for mixing liquids

Question 5

what is a dropper?

Answer 5

• often used to add small quantities of liquids such as indicators to a reaction mixture
• can also be used to add water up to the gradution mark when making a standard solution

Question 6

what is a test tube?

Answer 6

general chemical work, made of glass which is resistant to heat or corrosive chemicals

Question 7

what is a funnel?

Answer 7

used to channel liquids/mixtures into containers

Question 8

what is a volumetric/standard flask?

Answer 8

• used for preparing standard solutions
• has a line or scratch mark called the graduation mark to show the level to which the flask should be filled to
• accurate measurement

Question 9

what is a burette?

Answer 9

used in analytical chemistry to dispense measured volumes of a liquid