17.6 2 Hazards Risks And Control Measures

Question 1

Hazards of chemical substances relate

Answer 1

To inherent properties of each substance and how it will be used

Question 2

Hazard

Answer 2

Property of a substance that could cause harm to a user

E.g. hydrochloric acid is corrosive

Question 3

Risk

Answer 3

The possible effect that a substance may cause to a user

E.g. hydrochloride acid may hurt your eyes

Question 4

Red diamond with explanation mark

Answer 4

Health hazard - includes warnings on skin rashes , eye damage and ingestion

Question 5

Red diamond with dripping test tubes

Answer 5

Corrosive

Can cause skin burns and permanent eye damage

Question 6

Red diamond with a flame

Answer 6

Flammable

Can catch fire if heated or comes into contact with flames

Question 7

Red diamond with skull

Answer 7

Acute toxicity

Can cause life threading effects even in small quantities

Question 8

Different concentrations

Answer 8

Have different risks

Question 9

Can be risks

Answer 9

Associated with apparatus for example mercury thermometers have now been replaced by spirit or digital thermometers
May use electrical heating mantle instead of a Bunsen Burner
May use glass apparatus with ground glass joints as safer than corks and bungs

Question 10

Must identify

Answer 10

Control measures such as glove protective clothing eye protection wash throughly after handling