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II. ENCIERRE LA ALTERNATIVA CORRECTA:
1) Cuál de las siguientes alternativas corresponde a un cambio fisico.)
a. Oxidación de una manzana
b. Evaporación del alcohol
c. Fuegos artificiales
d. Limpiar cañerías con soda caustica
e. Todas las anteriores
Cuál de las siguientes alternativas corresponde a un cambio químico.
Romper un cristal
Estirar un resorte
Cocinar carne
Derretir chocolate
Todas las anteriores.



Answer :

GinnyAnswer

Final answer:

In Chemistry, a physical change maintains the substance's composition, while a chemical change alters its composition.


Explanation:

Physical change:

  • A mirror breaking - The physical appearance changes, but the chemical composition remains the same.

Chemical change:

  • An iron nail corroding in moist air - Iron reacts with oxygen and moisture in the air to form rust, changing its chemical composition.
  • A catalytic converter changing nitrogen dioxide to nitrogen gas and oxygen gas - Chemical bonds are broken and new substances are formed, indicating a chemical change.

Learn more about Physical and Chemical Changes here:

https://brainly.com/question/38267226


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