
extraordinario QGII
Quiz
•
Biology
•
1st Grade
•
Practice Problem
•
Medium
Joahn Estrada
Used 3+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selecciona el nombre correcto del siguiente compuesto H2SO4
Acido Sulfúrico
Acido Sulfuroso
Acido sulfhídrico
Sulfuro de Hidrogeno
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuantos protones tiene el un átomo de Calcio 20Ca40
40
20
19
39
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cuantas moléculas de agua hay en un mol de agua?
6.023X10-23
6023X10-23
6023X1023
6.023X1023
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cual es peso molecular del CaCO3
100g/mol
68g/mol
88g/mol
60g/mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cual el pH de una solución de HCl 0.01 M
2
0.01
1
10
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cual es la molaridad de una solución que se prepara al mezclar 30 gr de CaCl2 con 100 mL de agua.
0.272 M
272 M
2.72 M
27.2 M
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para el nivel 7 de energía; cuantos electrones puede retener?
8
18
32
2
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