Chemistry-Reactions
Flashcard
•
Chemistry
•
10th - 11th Grade
•
Hard
Nora Méndez
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
¿Cuál de las siguientes es una propiedad química? color, dureza, punto de congelación, capacidad de reaccionar con oxígeno
Back
capacidad de reaccionar con oxígeno
2.
FLASHCARD QUESTION
Front
Todas las siguientes son propiedades físicas de la materia EXCEPTO masa, color, punto de fusión, capacidad de oxidarse
Back
capacidad de oxidarse
3.
FLASHCARD QUESTION
Front
¿Qué sucede con la materia durante una reacción química?
Back
la materia no se destruye ni se crea
4.
FLASHCARD QUESTION
Front
¿Cuál de las siguientes afirmaciones es VERDADERA para todas las reacciones químicas?
Back
la masa total de los reactivos es igual a la masa total de los productos
5.
FLASHCARD QUESTION
Front
Verdadero o Falso: Al equilibrar ecuaciones químicas, los subíndices pueden cambiar.
Back
falso
6.
FLASHCARD QUESTION
Front
¿Está equilibrada o desequilibrada la ecuación Fe + S --> FeS?
Back
equilibrada
7.
FLASHCARD QUESTION
Front
¿Cuál de las siguientes es evidencia de una reacción química? efervescencia, agua que se convierte en hielo, agua salada, papel cortado por la mitad
Back
efervescencia
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