SI LA REACCION ES
K+H2O--> KOH+H2
LOS COEFICIENTES DE BALANCE SON
QUIMICA A
Quiz
•
Chemistry
•
KG - 4th Grade
•
Hard
Roxana Condori
Used 9+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SI LA REACCION ES
K+H2O--> KOH+H2
LOS COEFICIENTES DE BALANCE SON
2-2-2-2
2-2-2-1
1-2-2-1
ESTA IGUALADA
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SI EL PRODUCTO DE LA REACCION ES AGUA Y SAL LA REACCION ES
COMBUSTION
NEUTRALIZACION
REDOX
NINGUNA
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SI Se combinan 50 litros de nitrogeno con hidrogeno para formar amoniaco NH3 cuantos litros de amoniaco se obtiene
N2+H2--> NH3
50 litros
100 litros
10 litros
80 litros
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
el porcentaje del carbono de la formula CaCO3 es
( Ca=40; C=12; O=16)
17%
12%
50%
25%
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
un o de los siguientes elementos al combinarse con el hidrogeno forma un acido hidracido (escoge dos)
C
At
Li
Cl
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
el numero maximo de electrones que existe en nivel d es
8
2
14
10
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
la cantidad de protones que tiene un atomo determina su
numero de neutrones
numero atomico
su masa
no se toma en cuenta
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