
evaluación de cuarto

Quiz
•
Chemistry
•
4th Grade
•
Hard
Gober Quispe
Used 6+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
los materiales de vidrio cuanto de porcentaje de silicato tiene?
100
96
80
40
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
tubo de ensayo tiene forma:
tubular
redondo
cilíndrica
semicuadrado
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
dentro del material volumetrico están los:
matraz - tubo de ensayo - vaso
matraz aforado - gradilla - termómetro
matraz aforado - cilindro graduado - pipeta . bureta
ninguno
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
los instrumentos de material de porcelana están los:
buereta - capsulas de porcelana
mortero - matraz
capsulas de porcelana - crisol
ninguno
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
el elemento hierro tiene numero de oxidación:
+1+2
-2+3
+2+3
-1+3
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
los elementos que pertenecen al grupo carbonoides son:
carbono-oxigeno-nitrogeno
cobre-azufre-cloro
magnesio-calcio
carbono-sislicio
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
el símbolo del elemento fósforo es:
F
Fe
P
Pb
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