Chem Safety Test

Question 1

Beaker

Answer 1

Glass or plastic; common sizes are 50-mL, 100-mL, 250-mL and 400-mL; Glass beakers may be heated

Question 2

Clamps

Answer 2

The following clamps may be fastened to support apparatus: Buret/Test-tube clamp, clamp holder, double buret clamp. ring clamp, 3-pronged jaw clamp

Question 3

Clay Triangle

Answer 3

Wire frame with porcelain supports, used to support crucible

Question 4

Crucible and cover

Answer 4

porcelain, used to heat small amounts of solid substances at high temperatures

Question 5

Crucible Tongs

Answer 5

Iron or Nickel, used to pick up and hold small items

Question 6

Evaporating Dish

Answer 6

Porcelain, used to contain small volumes of liquid from being evaporated

Question 7

Forceps

Answer 7

Metal, used to hold or pick up small objects

Question 8

Funnel

Answer 8

Glass or plastic, common size holds 12.5-cm diameter filter paper

Question 9

Graduated Cylinder

Answer 9

Glass or plastic, common sizes are 10-mL, 50-mL and 100-mL, used to measure approximate volumes, must NOT be heated

Question 10

Graduated Pipet

Answer 10

Glass, Common sizes are 10-mL and 25-mL; used to measure solution volumes; less accurate than a volume pipet

Question 11

Mortar and Pestle

Answer 11

Porcelain, may be used to grind crystals and lumpy chemicals to a powder

Question 12

Ringstand

Answer 12

Metal rod fixed upright in a heavy metal base, has many uses as a support

Question 13

Spatula, scoopula

Answer 13

Metal or porcelain; used to transfer solid chemicals; scoopula has larger capacity

Question 14

Test Tube Brush

Answer 14

Bristles with wire handle, used to scrub small diameter glassware

Question 15

Test Tube Holder

Answer 15

Spring Metal, used to hold test tube or glass tubing

Question 16

Test Tubes

Answer 16

Glass; Common size small (13mm x 100mm), medium (20mm x 150mm), large (25mm x 200mm) may be heated

Question 17

Volumetric Pipet

Answer 17

Glass, common sizes are 10-mL, 25-mL used to measure solution volumes accuracy, must NOT be heated

Question 18

Watch Glass

Answer 18

Glass, Used to cover evaporator dish or beaker

Question 19

Wire Gauze

Answer 19

Used to spread heat on burner flame

Question 20

What not to wear

Answer 20

Loose clothes, jewelry, tieback hair contacts

Question 21

Fire Extinguishers

Answer 21

a) Wood Paper
b) Chemical Grade
c) Electrical

Question 22

Where are Fire Extinguishers Located

Answer 22

Front by door and back left