Exploring Salts
A Grade 8 Science worksheet covering the properties, uses, and formation of different types of salts.
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Exploring Salts
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which of the following is NOT a characteristic of most salts?
High melting points
Good conductors of electricity when dissolved in water
Generally soluble in water
Low boiling points
2. Table salt is chemically known as:
Potassium chloride
Sodium sulfate
Sodium chloride
Calcium carbonate
3. Salts are generally formed from the reaction between an acid and a .
4. The process of making salt from seawater by evaporation is called .
5. A solution that can no longer dissolve any more solute at a given temperature is said to be .
6. All salts are white in color.
True
False
7. Salts are ionic compounds.
True
False
8. Describe two common uses of salts in everyday life, other than as a food seasoning.
9. Explain how a neutralisation reaction leads to the formation of a salt and water.
Use the words below to complete the sentences.
10. In an ionic compound like salt, the positively charged ion is called a(n) .
11. The negatively charged ion in an ionic compound is known as a(n) .
12. Salts dissolved in water produce ions that allow the solution to conduct electricity, making them good .