Ciencias naturales 10
Quiz
•
Physics, Chemistry
•
1st Grade
•
Hard

Oscar Quevedo
Used 15+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
La función química a la cual corresponde el compuesto NaNO2 es...
Óxido
Hidróxido
Oxácido
Oxisal
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
El peso molecular para el compuesto NaNO2 es... (pesos atómicos; Na= 23 grs/mol, N= 14 grs/mol, O= 16 grs/mol
69 grs/mol
60 grs/mol
101 grs/ mol
99 grs/mol
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
El nombre correcto para el compuesto NaNO2 es
Óxido de sodio
Hidróxido de sodio
Nitrito de sodio
Nitrato de sodio.
4.
OPEN ENDED QUESTION
2 mins • 1 pt
¿En qué consiste el balanceo de ecuaciones y por qué ley de la naturaleza es indispensable hacerlo? Explique brevemente.
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
Teniendo la ecuación ZnS + O2 ------------ZnO + SO2 responda a. ¿Cuántos gramos de dióxido de azufre se pueden obtener a partir de la reacción de 3 moles de sulfuro de zinc?
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6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un avión vuela a una velocidad constante y lanza un misil. Podemos afirmar que:
La velocidad de impacto del misil es menor que la del avión
A. La velocidad de impacto del misil es mayor que la del avión.
A. La velocidad de impacto del misil es igual a la del avión.
A. La velocidad de impacto del misil es cero.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Si F = m.a, al incrementar la masa de un cuerpo el 100%, y la fuerza se mantiene constante, la aceleración se:
Incrementa el 66%
Reduce el 33%
Reduce el 50%
Incrementa el 50%
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