write the note on physic al properties of a I'd and base
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Acids generally taste sour due to the sour H+ ion; bases taste bitter due to the OH- ion; but they may have other tastes depending on the other part of the molecule. Bases are usually soapy in nature. Acids corrode active metals ; Bases denature protein. Acids have a pH less than 7 ; Bases have a pH greater than 7.
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Chemistry
Property Acid Base
Taste Sour (vinegar) Bitter (baking soda)
Smell Frequently burns nose Usually no smell (except NH3!)
Texture Sticky Slippery
Reactivity Frequently react with metals to form H2 React with many oils and fats
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