Salt Chemistry Challenge

Froggy Jumps

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Test your knowledge on salts and their properties.

لبنى عبد الكاشف

Jordan

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Salt Chemistry Challenge


Froggy Jumps Salt Chemistry ChallengeVersion en ligne Test your knowledge on salts and their properties. par لبنى عبد الكاشف 1 What is a salt formed when the hydrogen in an acid is replaced by a metal? a A salt b A base c An acid 2 Which salts are typically soluble in water? a Lead salts b Sodium, potassium and ammonium salts c Barium salts 3 Name one method to prepare soluble salts. a Method B: dilute acid and alkali b Method D: distillation c Method C: electrolysis 4 What is hydrated copper(II) sulfate? CuSO4·5H2O is an example of what? a Anhydrous copper sulfate b A solution c A hydrated salt 5 How is water of crystallisation written in a formula? a With a colon b Inside parentheses only c With a dot, e.g., CuSO4·5H2O 6 Which reaction illustrates the dehydration of a hydrated salt? a Electrolysis of the salt b Dissolving in water c Hydrated to anhydrous salt by heating 7 What is the precipitation method used for? a To measure acidity b To form insoluble salts as a precipitate c To dissolve salts 8 What salt example is produced by lead nitrate and potassium sulfate? a Lead(II) sulfate b Lead nitrate c Potassium sulfate 9 In salt preparation, what indicates a saturated solution before crystallisation? a Color change to red b Crystals begin to form on cooling c Gas evolution 10 What is the general rule for naming salts? a Anion name first b Acid name only c Metal name followed by the acid name