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      Question

      What is the correct chemical formula for sodium

      sulphide?
      A NaтВВS Correct Answer Incorrect Answer
      B NaSтВВ Correct Answer Incorrect Answer
      C NaSOтВД Correct Answer Incorrect Answer
      D NaтВВSOтВД Correct Answer Incorrect Answer

      Solution

      Sodium sulphide has the chemical formula NaтВВS. It is used across various industries including textiles, water treatment, and pulp manufacturing. On exposure to moisture, it can release hydrogen sulphide gas (HтВВS).

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