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Sagot :
A pH of twelve indicates a strong base.
A substance that yields an anion plus a hydrogen ion is an acid
A substance that yields an anion plus a hydrogen ion is an acid
Part i
A pH of twelve indicates a strong base.
Explanation:
Strong bases both dissociate fully in solution to yield hydroxide ions or deprotonate water to yield hydroxide ions. In chemistry, pHis a logarithmic system employed to define the acidity or basicity of an aqueous solution. It reaches from 0 to 14. If a pH is lower than 7 it symbolizes the solution is an acid. If it is high than it is a base or Alkaline. If a pH is a 7 it is neutral.
Part ii
A substance that yields an anion plus a hydrogen ion is an acid
Explanation:
An acid is a molecule or ion capable of providing a hydron (proton or hydrogen ion H+), or, alternatively, competent of generating a covalent bond with an electron pair (a Lewis acid). The first section of acids is the proton donators or Brønsted acids.
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