
I Olimpiadas de QF
Authored by Germán Alfredo Veloza Cristancho
Biology, Physics, Chemistry
University - Professional Development
Used 2+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un óxido básico reacciona con agua se forma un:
Ácido oxácido
Hidruro
Sal
Hidróxido
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la fórmula del hipoclorito de sodio?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El cianuro como HCN es un pseudohalógeno tóxico para el cuerpo, produce paro respiratorio y cardiaco. El antídoto que se suele emplear es:
Nitrito de Sodio
Carbón Activo
Nitrato de Plata
Sulfato de Magnesio
4.
FILL IN THE BLANK QUESTION
1 min • 2 pts
Cuanto volumen tenía una solución que estaba a una concentración molar de 7M y que luego de la dilución en 175 ml, presentó una molaridad de 9M.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué agua de uso farmacéutico se utiliza para la fabricación de medicamentos parenterales?
Agua Potable
Agua Purificada
Agua para inyección o WFI
Agua acondicionada
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para identificar microorganismos acido alcoholes resistentes como el Micobacterium tuberculosis se utiliza una coloración llamada:
Tinción Gram
Tinción Giemsa
Tinción de Zielhn Nelssen
Tinción con Azul de lactofenol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El medio XLD (Xilosa, Lisina, Desoxicolato de sodio): es un medio de cultivo selectivo que por la descarboxilación de la lisina produce H2S y permite ver el crecimiento de unidades formadoras de colonias como en la Salmonella sp de color:
Rojas
Fucsia
Negras
Brillo metálico
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