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    Question

    What is the correct chemical formula for sodium

    sulphide?
    A Naâ‚‚S Correct Answer Incorrect Answer
    B NaSâ‚‚ Correct Answer Incorrect Answer
    C NaSOâ‚„ Correct Answer Incorrect Answer
    D Naâ‚‚SOâ‚„ Correct Answer Incorrect Answer

    Solution

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

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