
Hidróxidos y ácidos
Authored by Lucia Conditi
Chemistry
1st Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La Cal es una sustancia de color blanco o blanco grisáceo, que es, científicamente, óxido de calcio. Si se agrega agua, se obtiene
CaO
Ácido de calcio
Ca(OH)
Hidróxido de calcio
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para balancear la ecuación de obtención de un ácido, hay que balancear:
1° el Metal, 2° el Hidrógeno, 3° el Oxígeno
Es indistinto
No se balancea, queda siempre balanceado
Ninguna de las anteriores
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Si se tiene el pentóxido de difósforo y se le agregan 2 moléculas de agua, se obtiene
Un ácido especial
Un oxoácido
El ácido pirofosfórico
El ácido fosfórico
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El ácido selenioso es
H2SO3
H2SO4
El que se obtiene por combinar SeO con agua
Un hidrácido
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Se tiene la siguiente ecuación de obtención
Para balancear se usa: 2,5,1
Se llama hidróxido de Bismuto
Se nombra hidróxido bismutico
Para balancear se usa: 1,5,2
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
El ácido fluorhídrico es
H2F
HF
Un hidrácido
Un oxoácido
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Un ácido especial puede formarse con
Más de una molécula de agua
Únicamente con fósforo
Mediante los óxidos de antimonio y arsénico
Únicamente con no metales del grupo VI A o VII A
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