Which of the following chemicals can be obtained from sodium chloride?

I. Baking soda

II. Washing soda

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DFCCIL Executive CBT1 Electrical 25 Aug 2023 Shift 2 Official Paper
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  1. Neither I nor II
  2. Only I 
  3. Only II 
  4. Both I and II

Answer (Detailed Solution Below)

Option 4 : Both I and II
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The correct answer is Both I and II.

Key Points

  • Sodium chloride (NaCl) is a fundamental compound used in the production of many chemicals.
  • Baking soda (sodium bicarbonate, NaHCO3) is derived from sodium chloride via the Solvay process.
  • Washing soda (sodium carbonate, Na2CO3) is also obtained from sodium chloride through the Solvay process.
  • The Solvay process involves the reaction of sodium chloride with ammonia and carbon dioxide in water.

Additional Information

  • Sodium Chloride (NaCl): Commonly known as table salt, it is used in various industrial processes and for human consumption.
  • Solvay Process: An industrial method for producing sodium carbonate (washing soda) from sodium chloride and limestone.
  • Baking Soda: Sodium bicarbonate, used in cooking, cleaning, and as an antacid.
  • Washing Soda: Sodium carbonate, used in laundry detergents, glass manufacturing, and as a water softener.
  • Industrial Applications: Both baking soda and washing soda are essential in numerous industrial and household applications.
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