Preparation and Uses of Common Salts in Industry
Chemistry ⇒ Acids, Bases, and Salts
Preparation and Uses of Common Salts in Industry starts at 10 and continues till grade 12.
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Describe the process of obtaining magnesium sulfate from sea water.
Describe the process of preparing ammonium sulfate from ammonia and sulfuric acid.
Describe the process of preparing calcium sulfate from gypsum.
Describe the process of preparing sodium carbonate (washing soda) by the Solvay process.
Describe the role of sodium chloride in the preparation of sodium hydroxide.
Explain how potassium chloride is obtained from sylvite ore.
Explain the importance of calcium chloride as a by-product in the Solvay process.
A chemical plant needs to produce 500 kg of sodium carbonate (Na2CO3) using the Solvay process. If the overall yield of the process is 80%, calculate the minimum mass of sodium chloride (NaCl) required. (Molar mass: Na2CO3 = 106 g/mol, NaCl = 58.5 g/mol)
Which of the following is a by-product of the Solvay process?
(1) Calcium chloride
(2) Sodium chloride
(3) Potassium chloride
(4) Ammonium nitrate
Which of the following is a common method for preparing sodium chloride in industry?
(1) Electrolysis of brine
(2) Neutralization of hydrochloric acid with sodium hydroxide
(3) Mining of rock salt
(4) All of the above
Which of the following is NOT a use of calcium chloride?
(1) De-icing roads
(2) Water softening
(3) Food preservation
(4) Dust control
Which of the following is NOT a use of sodium carbonate?
(1) Glass making
(2) Water softening
(3) Fertilizer production
(4) Soap manufacturing
Calcium carbonate reacts with hydrochloric acid to produce ______, water, and carbon dioxide.
Potassium nitrate is prepared by the reaction of potassium chloride with ______.
Potassium nitrate is used in the manufacture of ______.
Sodium carbonate is used in the ______ industry for making glass.
True or False: Ammonium chloride is used in dry cell batteries.
True or False: Ammonium nitrate is prepared by the reaction of ammonia with nitric acid.
True or False: Calcium sulfate is used in making cement and plaster of Paris.
True or False: Magnesium sulfate is commonly known as Epsom salt.
