What is a precipitate?
Solid insoluble salt
What 2 chemicals could be used to make an insoluble salt of lead chloride?
How could an insoluble salt be removed?
Give one use of making insoluble salts?
What acid is used to make a chloride salt?
What acid is used to make a sulfate salt?
What acid is used to make a nitrate salt?
How can salt solutions be made into a solid salt?
Evaporation and crystallisation
Metals can react with acids to make soluble salts, why cannot all metals be used in this way?
Not reactive enough or too reactive
How is an insoluble base like copper oxide used to make a soluble salt?
Excess copper oxide is added to acid and the extra is filtered out before evaporation and crystallisation
What is a soluble hydroxide?
What are metal oxides and hydroxides?
Acids and alkalis reacted completely produce a salt solution, what substance is used to show when this has happened?
Give the formula for ammonia?
Is ammonia an acid or an alkali?
Why are ammonium salts important?
What ions make a solution acidic?
What ions make a solution alkaline?
What scale measures acidity or alkalinity of a solution?
Give an ionic equation that represents neutralisation.
H+ + OH- → H2O
What salt is produced if sodium carbonate reacts with hydrochloric acid?
What salt is produced if iron reacts with sulfuric acid?
What salt is produced if potassium hydroxide reacts with nitric acid?