Chemical Analysis

Question 1

Name the two types of chemical analysis and the difference between the two

Answer 1

qualitative analysis - this identifies the presence of a chemical but does not measure the quantity of the chemical
quantitative analysis - having identified the presence of a chemical this type of analysis measures the quantity of the chemical

Question 2

Give examples of qualitative analytical techniques

Answer 2

flame tests, chromatography, Ph & chemical tests

Question 3

In this case, how do chemists play an important role in society

Answer 3

by monitoring our environment to ensure that it remains healthy and safe and that pollution is tackled as it arises

Question 4

What is a flame test?

Answer 4

metals change the colour of a flame when they are heated in it, different metals give different colours in the flame, so flame test can be used to identify the presence of a particular metal in a sample