
TEMA 1. PARTE 1. HOJA 16. TGL
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Mathematics
Professional Development

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué debe verificarse antes de encender el mechero Bunsen?
Que el gas esté abierto
Que la entrada de aire esté cerrada
Que haya fósforos encendidos
Que el mechero esté inclinado
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿De qué color es la llama inicial al encender el mechero?
Azul
Amarilla
Verde
Roja
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Por qué la primera llama es amarillenta?
Exceso de gas
Poca presencia de oxígeno
Mala calidad del encendedor
Temperatura baja
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué tipo de llama no debe usarse para calentar?
Azul
Amarillenta
Sonora
Invisible
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se consigue una llama azulada en el mechero?
Disminuyendo el gas
Aumentando la entrada de oxígeno
Cerrando el gas general
Apagando la llama inicial
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué nombre recibe la llama azul con interior coloreado?
Llama inerte
Llama secundaria
Llama sonora
Llama neutra
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué indica una llama entrecortada en el mechero?
Exceso de gas
Exceso de oxígeno
Defecto en la llave de gas
Obstrucción del tubo
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