Salts and Their Role in Industry and Daily Life
Chemistry ⇒ Acids, Bases, and Salts
Salts and Their Role in Industry and Daily Life starts at 9 and continues till grade 12.
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Describe how salts are used in the textile industry.
Describe one industrial use of sodium carbonate (washing soda).
Describe the environmental impact of excessive use of salts in agriculture.
Describe the role of salts in agriculture.
Explain how salts are formed during a neutralization reaction.
Explain the role of salts in maintaining the electrolyte balance in the human body.
Explain why common salt is iodized before being sold for consumption.
Explain why salts are important in the human diet.
Explain why some salts are colored while others are white.
A chemical plant produces a large amount of ammonium sulfate as a byproduct. Suggest one industrial use for this salt and explain why it is suitable for that use.
A factory uses calcium chloride to absorb moisture from the air in its storage rooms. Explain why calcium chloride is suitable for this purpose and name the property responsible for this use.
A water sample contains 0.1 mol of calcium ions (Ca2+) and 0.2 mol of chloride ions (Cl-). Calculate the maximum amount of calcium chloride (CaCl2) that can be formed from this sample.
Describe the role of salts in the preservation of food other than sodium chloride. Give one example and explain the mechanism involved.
Explain how the solubility of salts in water affects their use in industrial processes. Give one example to support your answer.
Explain how the use of salts in de-icing roads during winter can affect the environment. Suggest one alternative method to reduce these effects.
Explain why salts such as potassium nitrate are important in the manufacture of explosives. Include the chemical property that makes them suitable for this use.
A chemical company needs to produce 500 g of sodium sulfate (Na2SO4) for use in the manufacture of detergents. Calculate the number of moles of sodium sulfate required. (Molar mass of Na2SO4 = 142 g/mol)
A solution contains 0.5 mol of sodium ions and 0.5 mol of carbonate ions. What mass of sodium carbonate (Na2CO3) can be formed from this solution? (Molar mass of Na2CO3 = 106 g/mol)
Describe how the use of salts in water treatment plants helps to remove impurities from drinking water. Give one example of a salt used for this purpose and explain its role.
Explain why salts such as magnesium sulfate are used in agriculture to correct soil deficiencies. What nutrient does magnesium sulfate provide to plants?
