Required practicals

The first step in preparing a soluble salt is to add powdered insoluble reactant to ___ in a beaker until it is in ___

Acid, excess

The second step in preparing a soluble salt is to ___ the mixture in the beaker into a ___ ___ and collect the ____

Filter, conical flask, filtrate

The third step in preparing a soluble salt is to pour the filtrate into an ___ ___ which is then placed on a water bath and heated over a ___ ___ until half the water has ___

Evaporating basin, Bunsen burner, evaporated

The fourth step in preparing a soluble salt is to pour the remaining solution into a ___ ___ and leave it in a warm dry place for ___ to occur

Watch glass, crystallisation

What will be produced at the cathode of the metal is less reactive than hydrogen?

The metal

What will be produced at the cathode if the metal is more reactive than hydrogen?

Hydrogen

If there is a group 7 element, what will be released as a gas at the anode?

The group 7 element

If there isn’t a group 7 ion, which gas will be released at the anode?

Oxygen

The positive electrode is attached to the ___ terminal of the dc power pack

Positive

A ____ is used to determine the volumes of acid and alkali that must be mixed in order to obtain a solution containing only salt and water

Titration

The first step of titrations is to use a pipette and pipette filler to add ___ ___ solution to a clean ___ ___

Sodium hydroxide, conical flask

The second step in titrations is to add a few drops of ____ and put the conical flask on a ___ ___

Indicator, white tile

The third step of titrations is to fill the ____ with hydrochloric acid and note the ___ ___

Burette, starting volume

The fourth step of titrations is to slowly add the acid from the burette to the alkali in the conical flask ……

Swirling to mix

The fifth step of titrations is to stop adding the acid when the __ __ is reached, noting the final __

End point, volume

What is it called when the indicator first permanently changes colour during titrations?

The end point