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When concentrated H ₂ SO ₄ spilts on the surface, it should be immediately cleaned:

Options

  1. Awith a piece of cloth.
  2. Bby adding cold water.
  3. Cby adding solid Na ₂ CO ₃ .
  4. Dby adding solid BaCl ₂ .

Correct answer

C. by adding solid Na ₂ CO ₃ .

Step-by-step solution

The correct answer is option (C).

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