20A.3

Question 1

what are all of the reactions that we need to know to convert from one functional group into another

Answer 1

page 269

Question 2

what is a hazard

Answer 2

a property of a substance that can cause harm to a user

Question 3

what is a risk

Answer 3

the possible effect that a substance may cause to a use, and this will depend on factors such as concentration and apparatus. the level of risk is controlled using control measures

Question 4

how is risk controlled

Answer 4

the level of risk is controlled using control measures

Question 5

what does the health hazard tell us and its pictogram

Answer 5

warning including skin rashes, eye damage, and ingestion. pictogram - page 271

Question 6

what does the corrosive hazard tell us and its pictogram

Answer 6

can cause skin burn, and permanent eye damage. pictogram - page 271

Question 7

what does the acute toxicity hazard tell us and its pictogram

Answer 7

can cause life threatening effects, even in small quantities pictogram - page 271

Question 8

what does the flammable hazard tell us and its pictogram

Answer 8

can catch fire if heated or comes into contact with a flame pictogram - page 271

Question 9

what do we replace mercury thermometers with

Answer 9

spirit thermometers or digital thermometers

Question 10

to reduce risk with heating we can

Answer 10

use electrical heating mantle instead of bunsen burner

Question 11

to reduce risk when setting up the glass apparantenss we should

Answer 11

set it up with ground glass joints as they are safer that corks and bungs

Question 12

what is a safe way to support ur apparantuss

Answer 12

using a clamp

Question 13

different concentration have

Answer 13

different risks