You have recently started consulting for the Washington D.C. Sculpture Conservat

Question

You have recently started consulting for the Washington D.C. Sculpture Conservation and Planning Board. The Board has asked you to investigate the impact of acid rain on existing sculptures throughout the city and make a recommendation of materials for new sculptures that can better withstand the effects of acid rain.

You have been asked to make a recommendation of sculpture material for new metal sculptures and given small filings of 5 different possible metals. What evidence of reaction will indicate a reactive metal? Select all that apply. Disappearance of metal O Evolution of heat Appearance of bubbles (gas) Appearance of color in the solution Appearance of a precipitate

Explanation / Answer

If reactive metal is present. It will react with acid to product a salt ( consisting metal) and Hydrogen gas

Thus we will observe disaapearance of metal and appearance of bubbles ( gas)

Thuse these options are correct.

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