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  2. Water-reactive substances - Wikipedia

    en.wikipedia.org/wiki/Water-reactive_substances

    Water-reactive substances [1] are those that spontaneously undergo a chemical reaction with water, often noted as generating flammable gas. [2] Some are highly reducing in nature. [ 3 ] Notable examples include alkali metals , lithium through caesium , and alkaline earth metals , magnesium through barium .

  3. Lye - Wikipedia

    en.wikipedia.org/wiki/Lye

    Solutions containing lyes can cause chemical burns, permanent injuries, scarring and blindness, immediately upon contact. Lyes may be harmful or even fatal if swallowed; ingestion can cause esophageal stricture. Moreover, the solvation of dry solid lye is highly exothermic and the resulting heat may cause additional burns or ignite flammables.

  4. Sodium hydroxide - Wikipedia

    en.wikipedia.org/wiki/Sodium_hydroxide

    Sodium hydroxide is a highly corrosive base and alkali that decomposes lipids and proteins at ambient temperatures and may cause severe chemical burns. It is highly soluble in water, and readily absorbs moisture and carbon dioxide from the air. It forms a series of hydrates NaOH·nH 2 O. [11] The monohydrate NaOH·H 2 O crystallizes from water ...

  5. Pyrophoricity - Wikipedia

    en.wikipedia.org/wiki/Pyrophoricity

    The creation of sparks from metals is based on the pyrophoricity of small metal particles, and pyrophoric alloys are made for this purpose. [2] Practical applications include the sparking mechanisms in lighters and various toys, using ferrocerium; starting fires without matches, using a firesteel; the flintlock mechanism in firearms; and spark testing ferrous metals.

  6. Is your water safe? How to check for ‘forever chemicals’ and ...

    www.aol.com/water-safe-check-forever-chemicals...

    Miami-Dade County, for example, in its 2023 water quality report, voluntarily chose to test for two types of PFAS — Perfluorooctane sulfonate and Perfluorooctanoic acid — chemicals used to ...

  7. Chemicals released into air and water from Maui fires could ...

    www.aol.com/news/chemicals-released-air-water...

    The fires that have been burning in Maui since Tuesday could pose long-term health risks to residents due to chemical compounds contaminating the air, water and wreckage, authorities and experts ...

  8. EPA to limit toxic 'forever chemicals' in drinking water

    www.aol.com/news/epa-limit-toxic-forever...

    The EPA on Tuesday, March 14, 2023, proposed limiting the amount of harmful “forever chemicals” in drinking water to the lowest level that tests can detect. (Travis Long/The News & Observer ...

  9. Potassium permanganate - Wikipedia

    en.wikipedia.org/wiki/Potassium_permanganate

    A harsh burn on a child from an undissolved tablet has been reported. [24] Higher concentration solutions can result in chemical burns. [25] Therefore, the British National Formulary recommends 100 mg be dissolved in a liter of water before use to form a 1:10,000 (0.01%) solution.