alyxxboothe alyxxboothe

10-12-2018
Chemistry

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Which statement is true about sodium hydroxide (NaOH)?

A. It is a salt because it increases the concentration of metallic ions.
B. It is a salt because it is formed by the reaction of an acid and a base.
C. It is a base because it increases the concentration of hydrogen ions.
D. It is a base because it increases the concentration of hydroxide ions.

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kobenhavn kobenhavn

19-12-2018

Answer: D. It is a base because it increases the concentration of hydroxide ions.

Explanation: A base is a substance which dissociates to give hydroxide ions in water.

An acid is a substance which dissociates to give hydrogen ions in water.

[tex]NaOH\rightarrow Na^++OH^-[/tex]

So [tex]NaOH[/tex] is a base as it gives [tex]OH^-[/tex] ions when dissolved in water.

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mark4yeshua mark4yeshua

08-03-2021

Answer:

It is a base because it increases the concentration of hydroxide ions. so it is d

Explanation:

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