click below
click below
Normal Size Small Size show me how
Acids and bases scie
| Question | Answer |
|---|---|
| Acid | A chemical substance |
| Base | The chemical opposite of an acid |
| Everyday acids | Ethanic acid in vinegar Citric acid in citrus fruit Asorbic acid in oranges |
| Lab acids | Hydrochloric acid Sulfuric acid |
| Lab bases | Sodium hydroxide Calcium carbonate Limewater |
| Alkalis | A base that is soluble to water |
| Neutralisation | When an acid and a base react they create a water and salt solution . Water and salt is neutral so it has a ph of 7 |
| Indicator | Methyl orange |
| Colour change of indicator | Yellow to pink |