Unit 1 - Hazards & Equipment in the Laboratory

Question 1

Answer 1

Toxic

Question 2

Answer 2

Harmful

Similar to toxic but unlikely to kill.

Question 3

Answer 3

Corrosive

Burns through skin and metal

Question 4

Answer 4

Flammable

Catches fire easily

Question 5

Answer 5

Serious Health Hazard

Can cause cancer (Carcinogenic)

Genetic defects or damage to organs

Question 6

Answer 6

Oxidising

Something that doesn’t burn itself but provides oxygen for other substances to burn

Question 8

Answer 8

Explosive

if treated incorrectly they have enough energy to explode

Question 9

Answer 9

Harmful to the environment

Question 10

Answer 10

Compressed Gas

Question 11

Answer 11

Flame (outer cone)

Flame (inner cone)

Chimney

Collar

Air hole

Rubber tubing

Heat proof mat

Base

Question 12

Answer 12

Wire gauze

Question 13

Answer 13

Heat proof mat

Question 14

Answer 14

Tripod

Question 15

Answer 15

Bunsen burner

Question 16

Answer 16

Safety googles

Question 17

Colour of safety flame, position of air hole, and when it is used.

Answer 17

Air hole closed, flame colour orange, used when we are not using the bunsen burner.

Question 18

What is the colour of the flame and position of air hole when we want to heat gently.

Answer 18

Lilac outer flame and blue flame, air hole half open.

Question 19

What is the colour of the flame and position of air hole when we want to heat quickly?

Answer 19

Clear roaring