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[/B][/SIZE][/COLOR]Acid vs Base

Acid and base are chemistry terms which refer to different potentialities of chemical substances. An acid, in chemistry, is usually a liquid, that contains hydrogen and has a pH value of less than seven. The hydroen can be replaced by a ****l to form a salt. The pH value of a base is always more than 7 and it usually combines with an acid to form a salt. A pH value is a scale to define the acidity or alkalinity of a substance.

Acids and bases can also be combined to form water, salt water and ionic salts. Based on this differentiation, acids are good conducturs of electricity as they have H+ ions while bases are not and more slippery in texture. Bases contain OH-ions. Bases, while dissolving in water, release hydroxide ions which are one hydrogen and one oxygen atom each with a negative charge. On the other hand, acids release only hydrogen ions.

An acid and base are of opposite polarities and therefore, they neutralize each other. Acid and bases react with other substances in a caustic manner. Also, when it comes to chemical interaction, acids function as proton donators while bases function as proton acceptors.



Both acids and bases may be classified as weak or strong. In the case of weak acids and bases, the conjugate result is strong but the weak acid or base does not dissociate properly in water. However, strong acids and bases manage almost complete dissociation in water though their conjugate acid or base is weak.

As regards physical properties, acids are sour in taste and can burn or destroy substances they come in contact with. They leave a stinging effect on mucous membranes. Bases, on the other hand, taste bitter and have a soapy or slippery texture. Both acids and bases can be dangerous to the human body if of a high pH value. pH value of an Acid is lower than 7 and the pH value of a Base is higher than 7. Freshly distilled water has a pH value of 7.

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[النجمة الكورية]

المشاركة الأصلية كتبت بواسطة atheena

sorry in which ******** , please

Arab............................

[Hillin]

el himdh wa l9a3ida morakaban kimya-iyan. elhomoda fi elkimyaa hiya 3ibara 3an liquid yahwi hydrogen H w tkon dardjat PH fih a9al min 7 ama el9awa3id f PH tafou9 7 wa 3adtan my yartabit ma3a Himdh lyochakil Amleh
(PH howa 9ima litahdid dardjet 9a3idyit aw homodhat ay mahloul)
el ahmadh wa 9awa3id bi imkaniha tafa3ol litachk miyah,miyah maliha wa amleh ayouniya.i3timadan 3ala hadi ikhtilafat; ina ahmath to3ad mosila lityar kahrabay wadalika lihtiwa_iha 3ala H plus" fi hin 9awa3id layomkinoha wadalika lihtiwa iha 3ala ayonat OH. 9a3ida 3inda inhilaliha fi maa fainah toharir ayonat hydroksil waladhi howa 3ibara 3an dheratayin "hydrogen and oxygen" machhonani silban fi hin el ahmad toharir fa9at ayonat hydrogen
el homodha wa 9a3ida 3ibara 3an 9otbain mota3aridhain ay mokhtalifain, homa yohayidan ba3dahoma lba3dh fal 9awa3id mosta9bilat proton ama hawamidh fahiya mo3tiyat proton "fi tafa3olat Kimyawiya"
To Be continued
Dear sister wadj3oni 3ayniya
I'll come back in chaa Allah
hope it's clear for you
sorry coz I wrote arabic using english letters i have some problem i'm slow arabic writer lol
c u