Upon addition of clear, colourless sulfuric acid solution, the black powder completely dissolved into the solution.

Question

Upon addition of clear, colourless sulfuric acid solution, the black powder completely dissolved into the solution.

Answer

The change in appearance of all materials was not noted.

Answer

The final appearance of the system was not noted.

Answer

The appearance of the starting materials was not noted.

Answer

There are no issues with this observation.

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