What are the 'features' of an acid
They can be an irritant or corrosive. They have to be handled with care.
How do we measure an acid or alkali
Using litmus paper or Universal indicator
Examples of some dilute acids
hydrochloric acid, sulphuric acid and nitric acid (Bottles labelled as IRRITANTS)
What acids might you find in fizzy drinks?
Carbonic acid in fizzy
Blue litmus turns RED for ACID, but stays blue for an alkali Red litmus turns BLUE in an alkaline solution.
Universal indicator is a liquid. You can use it to tell how strong or weak an acis or an alkali is It has many different colour changes. Red for strong acids Green is neutral.
The scale used to measure how strong or weak the liquid is. The pH scale runs from pH 0 to pH 14. 0 STRONG acid neutral solutions are pH 7 exactly the closer to pH 14 you go, the more strongly alkaline a solution is. PURPLE.
What type of acid is a LEMON?
What acid do you find in soap?
What acid do you find in vinegar?