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Fire extinguishers contain H ₂ SO ₄ and which one of the following?

Options

  1. ANaHCO ₃ and Na ₂ CO ₃
  2. BNa ₂ CO ₃
  3. CNaHCO ₃
  4. DCaCO ₃^2

Correct answer

A. NaHCO ₃ and Na ₂ CO ₃

Step-by-step solution

Fire extinguishers contain a mixture of Na ₂ CO ₃, NaHCO ₃ and H ₂ SO ₄ .

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