Analysis

Question 1

Which ion is present during a flame test revealing a lilac flame?

Answer 1

Potassium ions

Question 2

Name two ways to detect positive ions.

Answer 2

Flame test,

Adding Sodium Hydroxide

Question 3

Name two ways to detect negative ions.

Answer 3

Adding dilute nitric acid and dilute silver nitrate,

Adding dilute Hydrochloric acid

Question 4

If negative ions were detected using the method adding dilute HCl acid, what could possibly be an effect?

Answer 4

Fizzing as CO2 is produced