Question

You wish to dispose of 25 mL of 70% phosphoric acid. Where will you do so?...

You wish to dispose of 25 mL of 70% phosphoric acid. Where will you do so? Select the one correct answer.

Acid Compatible Organic Waste
Sanitary Sewer
Base Compatible Organic Waste
Inorganic Solid Waste
Acid Compatible Mercury Waste
Acid Compatible Aqueous Waste
Base Compatible Aqueous Waste
Acid Compatible Acutely Hazardous Waste
Base Compatible Mercury Waste
Base Compatible Acutely Hazardous Waste
Mercury Spill Kit
Organic Solid Waste
Science   Chemistry   
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Answer #1

70% Phosphoric acis solution is an aqueous solution of phospohoric acid and is an inorganic acid. It should not be disposed in sanitary sewer, any base compatible waste, any mercury waste, any organic waste. Although it is an inorganic acid but still it is an queous solution, so it should not be disposed in inorganic waste. Also it does not contain any mercury contanmination so should not be disposed with mercury spill kit.

It can be disposed with acid compatible aqueous waste.

So the answer is option 6.

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