Hydroxide ions

Question 1

Testing for Hydroxide Ions
A small amount (around 1 cm3) of the solution should be added to a test tube using a pipette

Test the pH of the solution using red litmus paper or universal indicator paper
The presence of hydroxide ions will turn the red litmus paper

Answer 1

blue

Question 2

What happens ti the pH if hydroxide ions are present

Answer 2

pH will be clearly alkaline on the universal indicator paper if hydroxide ions are present