Evaluación de entrada de 5to sec

Quiz
•
Chemistry
•
11th Grade
•
Medium
Isaac Espinoza
Used 8+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hallar la masa molar del ácido sulfúrico “H2SO4”. P.A. (H = 1, S = 32, O = 16)
90
98
100
50
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
No es una variable fundamental del estado gaseoso.
Volumen
Temperatura
Presión
Densidad
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hallar la fórmula química del ácido bórico
HB2
HBO3
H3BO3
H3BO4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Señale la diferencia de atomicidad del Fe2(SO4)3 y AgClO3 :
15
12
13
17
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la fórmula del carbonato de calcio?
CaCO3
NaHCO3
CO
CaO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dadas las siguientes especies químicas, indique el número de sales haloideas y de sales oxisales respectivamente. NH4NO3 KMnO4 ZnCl2 Li2CO3
0; 4
2; 2
1; 3
4; 0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hallar el % de carbono que existe en el siguiente compuesto CaCO3. P.A. (Ca = 40, C = 12, O = 16)
24
40
36
12
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