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Acids and Alkalis
| Question | Answer |
|---|---|
| What colour should phenolpthalein turn when an acid and alkali react? | Pink |
| What colour should universal indicator turn when the pH is 7? | Green |
| What is the titration equation | (C1*V1)/n1 = (C2*V2)/n2 |
| What ion is most abundant in acids? | H+ |
| What ion is most abundant in bases? | OH- |
| What is used most commonly used to test the acidity or alkalinity of a substances? | Litmus Paper |
| What is the chemical formula for Hydrochloric Acid | HCl |
| What is ALWAYS formed when an acid and a base react? | Salt and Water |
| Name the 4 lab acids | Sulphuric Acid, Nitric Acid, Ethanoic Acid, Hydrochloric Acid |
| Name a use of Nitric Acid | Fertilisers |
| What do the bonding in acids and the bonding in alkalis have in common | They are both ionic |