what is acid .....?what is base....?
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Acids are defined as compounds that donate a hydrogen ion (H+) to another compound (called a base).
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Acid is a substance with particular chemical properties including turning litmus red, neutralizing alkalis, and dissolving some metals; typically, a corrosive or sour-tasting liquid of this kind.
"trees were exposed to mixtures of heavy metals, acids, and overdoses of nutrients"
Base are substances that, in aqueous solution, are slippery to the touch, release hydroxide (OH−) ions, taste astringent, change the color of indicators (e.g., turn red litmus paper blue), react with acids to form salts, promote certain chemical reactions (base catalysis), accept protons from any proton donor, and/or contain completely or partially displaceable OH− ions. Examples of bases are the hydroxides of the alkali metals and the alkaline earth metals (NaOH, Ca(OH)2, etc.).
"trees were exposed to mixtures of heavy metals, acids, and overdoses of nutrients"
Base are substances that, in aqueous solution, are slippery to the touch, release hydroxide (OH−) ions, taste astringent, change the color of indicators (e.g., turn red litmus paper blue), react with acids to form salts, promote certain chemical reactions (base catalysis), accept protons from any proton donor, and/or contain completely or partially displaceable OH− ions. Examples of bases are the hydroxides of the alkali metals and the alkaline earth metals (NaOH, Ca(OH)2, etc.).
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