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MHT CET Medical202623 April 2026Evening ShiftChemistrys Block ElementsActual

Which of the following compound used in petrol refining?

Options

  1. ACalcium carbonate
  2. BSodium carbonate
  3. CHydrogen peroxide
  4. DSodium hydroxide

Correct answer

D. Sodium hydroxide

Step-by-step solution

Sodium hydroxide (NaOH) is widely used in the refining of petroleum. It is employed to neutralize and remove acidic impurities such as hydrogen sulfide, mercaptans, and organic acids from petroleum products. This purification process is commonly referred to as caustic washing. Answer: Sodium hydroxide

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