
ÁCIDOS Y BASES
Authored by María Cavazos
Science
2nd Grade
Used 34+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Son sustancias de sabor amargo, tienen sensación al tacto jabonosa y cambian el papel tornasol de rojo a azul.
Ácidos
Bases
Diluidas
Neutras
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Teoría ácido-base en la cual un ácido es una sustancia que en solución acuosa produce iones hidrógeno (H+), mientras que una base es una sustancia que en solución acuosa producen iones hidroxilo (OH-).
Bronsted y Lowry
Lavoisier
Lewis
Svante Arrhenius
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1 x 10-14 mol/L
1 x 10-12 mol/L
1 x10-9 mol/L
4.5 x10-6 mol/L
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En el agua pura se tiene que [H+]=[OH-], entonces se puede afirmar que el agua pura es:
Ácida
Alcalina
Básica
Neutra
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Lewis clasifica a los ácidos de acuerdo a la cantidad de hidrógenos que libera en su ionización. De acuerdo con esto, el H2SO4 es un ácido:
Diprótico
Hexaprótico
Monoprótico
Triprótico
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
De acuerdo a la concentración de iones hidrógeno y de iones hidroxilo, las soluciones pueden ser ácidas, básicas o neutras. Si en la solución [H+] < [OH-], será ____________ y si la [H+] > [OH-], la solución será ___________.
Ácida, básica
Ácida, neutra
Básica, ácida
Básica, neutra
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
De acuerdo a su valor de pH, selecciona de las siguientes sustancias las que son ácidas.
Ácido gástrico pH=2
Cloralex
pH=12
Leche de magnesia
pH=10
Vinagre
pH=3
Jugo de limón pH=2.4
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