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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A factory uses sodium carbonate to soften hard water. Explain how sodium carbonate helps in this process.
Describe one industrial use of ammonium nitrate.
Describe the environmental impact of excessive use of salts in agriculture.
Describe the role of salts in maintaining the electrolyte balance in the human body.
Explain the importance of salts in the food industry.
Explain the process of neutralization and its importance in salt formation.
Explain why common salt is added to icy roads in winter.
A factory uses sodium carbonate to soften hard water. Explain how sodium carbonate helps in this process.
Which of the following is a double salt?
(1) Sodium chloride
(2) Potassium nitrate
(3) Mohr's salt
(4) Calcium carbonate
Which of the following is a hydrated salt?
(1) Sodium chloride
(2) Copper(II) sulfate pentahydrate
(3) Potassium nitrate
(4) Ammonium chloride
Which of the following is a salt used in the preservation of food?
(1) Sodium chloride
(2) Calcium sulfate
(3) Potassium nitrate
(4) Both 1 and 3
Which of the following is NOT a common use of sodium chloride in daily life?
(1) Food seasoning
(2) Road de-icing
(3) Fertilizer
(4) Water softening
Fill in the blank: The chemical formula of baking soda is __________.
Fill in the blank: The chemical name of Epsom salt is __________.
Fill in the blank: The main component of table salt is __________.
Fill in the blank: The salt formed by the reaction of hydrochloric acid and sodium hydroxide is __________.
True or False: All salts are soluble in water.
True or False: Calcium sulfate is used in making plaster of Paris.
True or False: Epsom salt is used in medicine as a laxative and to relieve sore muscles.
True or False: Potassium nitrate is used in the manufacture of explosives and fertilizers.
