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Ácidos e Bases: Verdade ou Mentira

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Quiz rápido sobre ácidos e bases.

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Brazil

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Ácidos e Bases: Verdade ou Mentira
 

Ácidos e Bases: Verdade ou MentiraOnline version

Quiz rápido sobre ácidos e bases.

by Mario Lucio Almeida
1

A água é uma base forte que produz muito OH- em todas as soluções.

2

O ácido clorídrico (HCl) é uma base forte.

3

A base hidróxido de sódio (NaOH) é uma base forte que se dissocia em Na+ e OH- na água.

4

O pH menor que 7 indica solução ácida.

5

O ácido clorídrico (HCl) é considerado ácido forte porque se dissocia quase totalmente em água.

6

Segundo a teoria de Brønsted-Lowry, ácidos cedem prótons (H+) e bases os aceitam.

7

O ácido acético (CH3COOH) é um ácido fraco característico de vinagre.

8

Ácidos sempre apresentam sabor doce.

9

O pH de soluções ácidas é sempre menor que 1.

10

Amônia (NH3) atua como ácido na teoria de Brønsted-Lowry.

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