
Rally del conocimiento
Authored by Polet Manuel
Chemistry, Physics
University - Professional Development
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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
1. Las reacciones_________ absorben energía.
Hipodérmicas
Exotérmicas
Endotérmicas
Isotérmicas
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Según la nomenclatura tradicional, cuál es el nombre de los siguientes compuestos: AgNO3, CuO, FeO.
Nitrito de plata, óxido cúprico, óxido ferroso
Nitrito de plata, óxido cuproso, óxido de hierro II
Nitrato de plata, óxido cúprico, óxido ferroso
Nitrato de plata, óxido de cobre II, óxido de hierro II
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿En cuál de las siguientes opciones hay una sustancia pura?
Sal
Café
Leche
Tableta efervescente
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Elige la opción correcta que relaciona las columnas
Familia
I. Gases nobles
II Metales alcalinos
IIL Metales de transición
IV. Metales alcalinotérreos
Elementos
A. Na, K, Rb, Cs y Fr
B. He, Ne, Ar, Kr, Xe y Rn
C. Be, Mg, Cal, Sr, Ba y Ra
D. Fe, Cu, Zn, Ag, Ni, Au
IA, IIB, IIIC, IVD
IC, IID, IIIA, IVB
IB, IIA, IIID, IVC
ID, IIC, IIIB, IVA
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Es la cantidad de calor que se involucra en una reacción química a presión constante
Gibss
Entropía
Entalpía
Energía
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