Reacciones químicas – Identifica el…

The video discusses various processes, distinguishing between chemical reactions and physical changes. It highlights examples like cake baking, coal burning, and iron oxidizing as chemical reactions, while blending fruit, boiling water, and dissolving sugar are not.

Which of the following is an example of a process that involves a physical change?

• Cake baking

• Coal burning

• Fruit liquefying

• Iron rusting

What type of change does cake baking represent?

• Physical change

• Chemical change

• Both physical and chemical change

• Neither physical nor chemical change

Which of the following processes is a chemical reaction?

• Iron oxidizing

• Dissolving sugar

• Boiling water

• Blending fruit

Which process does not involve a chemical reaction?

• Iron rusting

• Coal burning

• Blending fruit

• Cake baking

What is a common characteristic of processes like blending fruit and boiling water?

• They are chemical reactions

• They involve a change in chemical composition

• They produce new substances

• They are physical changes