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WorksheetsSalts (Characteristics and How to Make Salts)
Total questions: 21
Worksheet time: 9mins
Complete the following word equation:
Metal + Acid -->
Salt + water
Salt + hydrogen
Salt + Water + Carbon dioxide
Complete the following word equation:
Metalcarbonate + acid -->
Salt + Hydrogen
Salt + Water + Carbon Dioxide
Salt + Water
What colour does the solution turn when sulfuric acid is added to copper carbonate?
Blue
Green
Clear
Purple
How do you remove the water to leave solid copper sulfate crystals?
Filter
Evaporate
Distill
What does the word insoluble mean?
Does dissolve
Doesn't dissolve
Is part of a solid
What type of reaction produced an insoluble salt?
Neutralisation reaction
Precipitation reaction
Titration reaction
Insoluble reaction
What is the test for Hydrogen gas?
Squeaky pop
Lime water turning cloudy
Add pH paper
What is the test for Carbon Dioxide?
Add Litmus paper
Lime water turning milky
Squeaky pop
Which salt would be formed by reacting cobalt carbonate and hydrochloric acid?
Cobalt sulfate
Cobalt chloride
Cobalt hydroxide
Cobalt sulfide
When a soluble salt is formed from an acid and an insoluble base, how do you know when an excess of a base has been added?
When bubbles of gas appear
When the reactant all dissolves
When some of the reactant is left unreacted/undissolved
When a colour change happens
Why do you add excess of the insoluble reactant when making a soluble salt?
To make sure all the acid is used up
To separate the solid from the solution
To make sure a reaction occurs
To have the reaction happen faster
How do you separate an excess insoluble reactant from a solution?
Filtration
Precipitation
Crystalisation
Evaporation
Which two chemicals could you react to make only potassium chloride and water?
Potassium and hydrochloric acid
Potassium hydroxide and hydrochloric acid
Potassium oxide and sulfuric acid
Potassium and sulfuric acid
When producing a soluble salt in a reaction between an acid and an alkali, how can you prepare dry solid crystals from the solution?
Filtration
Neutralisation
Condensation
Evaporation/crystallisation
