
Chemistry Quest: The Ultimate 11 Challenge!
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Medium
Karent Diaz
Used 1+ times
FREE Resource
Enhance your content in a minute
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a car burns fuel, carbon dioxide (CO₂) is released into the air. Which type of reaction occurs in the car engine?
Combustion
Decomposition
Synthesis
Displacement
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Balancea la siguiente reacción de combustión: C₃H₈ + O₂ → CO₂ + H₂O
C₃H₈ + 3O₂ → 3CO₂ + 4H₂O
C₃H₈ + 5O₂ → 3CO₂ + 4H₂O
C₃H₈ + 4O₂ → 3CO₂ + 3H₂O
C₃H₈ + 2O₂ → CO₂ + 2H₂O
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un globo contiene 2.5 moles de helio a 298 K y una presión de 1 atm. ¿Cuál es su volumen? (Usa R = 0.082 L·atm/mol·K)
24.5 L
61.1 L
10.2 L
32.8 L
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
¿Cuál es la fórmula correcta del cloruro de cobre (II)?
Cu₂Cl
CuCl₂
Cu₂Cl₃
CuCl
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un gas ocupa 15 L a 2 atm, ¿cuál será su volumen a 1 atm, asumiendo temperatura constante?
7.5 L
30 L
15 L
10 L
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una bicicleta dejada afuera en la lluvia comienza a oxidarse con el tiempo. Esto ocurre debido a la reacción entre el hierro y el oxígeno en el aire. ¿Qué tipo de reacción ocurre ?
Reducción
Oxidación
Combustión
Neutralización
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On a hot day, if you leave a balloon outside, it may pop. Why does this happen?
The volume of gas increases with temperature
The gas cools and shrinks
The balloon expands because the air is denser
The gas becomes more reactive with heat
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