Question 30
In this investigation, 10 cm³ of dilute hydrochloric acid is tested with three drops of Universal Indicator. Sodium hydroxide solution is added in 2 cm³ portions, up to 12 cm³ in total. Use your own observations and the pH chart.
Look at the hazard symbols on the substances you are using. State the safety precautions you should take in this activity.
Look at the hazard symbols on the substances you are using. State the safety precautions you should take in this activity.
