What is initially observed when sodium hydroxide is added in excess to a solution of Fe²⁺ ions?

What is lime water an aqueous solution of?

What colour does litmus paper turn in the presence of chlorine?

How does carbon dioxide react with a lit splint?

How do you test for oxygen?

Complete the equation:

Acid + Metal ---> __________ + Hydrogen

What is a cation's charge?

Is potassium a cation or an anion?

A green precipitate formed when sodium hydroxide is added to an unknown solution indicates the presence of.....

Dilute sodium hydroxide can be added to an unknown solution to indicate the presence of....

Which metal produces an apple green flame?

Which metal produces a brick red flame?

What is a positive test for a carbonate ion?

Silver nitrate and nitric acid are used to test for....

A yellow precipitate formed when an unknown solution is added to silver nitrate and nitric acid indicates the presence of which ion?

Which ion turns red litmus paper blue?

A gas produced when nitric acid is added to an unknown solution indicates the presence of....

In flame testing, what element is indicated by an yellow flame?

When doing a flame test, what element is indicated by a purple/lilac flame?

Which ion can be detected in solution by adding dilute sodium hydroxide and then warming, before testing the gas given off with damp red litmus paper? A blue colour is a positive result.

Many ions can be detected in solution by adding another solution and observing the colour of the solid formed. What term is given to a solid formed in a reaction between two solutions?

What is the colour of the solid hydroxide formed when testing for copper(II) ions?

Name the equipment

Name the equipment

What do you do if you spill a chemical?