
Prácticas de laboratorio. tarea 15
Authored by Fernando Arias
Chemistry
9th - 12th Grade
Used 2+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de los siguientes es un ejemplo de óxido?
Agua(H₂O)
Salcomún(NaCl)
Óxidodehierro(Fe₂O₃)
Ácidoclorhídrico(HCl)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué ocurre cuando un metal alcalino reacciona con el agua?
Seproduceunareacciónexotérmicayseliberahidrógeno.
Noocurreningunareacción.
Seformaunácido.
Seformaunabasedébil.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el producto de la reacción entre un ácido y una base?
Unasalyagua.
Solounasal.
Soloagua.
Ungas.
4.
OPEN ENDED QUESTION
3 mins • 1 pt
La fenolftaleína es un indicador ácido-base quese vuelve rosa en presencia de un ácido, esto se debe a...
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
El óxido de magnesio es un compuesto iónico porque...
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
¿Qué es una reacción de neutralización?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
¿Por qué es importante utilizar las pinzas para crisol al calentar un tubo de ensayo?
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