Describiendo a la materia y sus propiedades: propiedades químicas

The video discusses the physical and chemical properties of matter, focusing on chemical properties that describe a substance's ability to transform into new substances. Examples include wood burning and iron oxidizing. Flammability and reactivity are highlighted as key chemical properties.

What distinguishes chemical properties from physical properties?

• Chemical properties are about the texture of a substance.

• Chemical properties are related to the mass of a substance.

• Chemical properties involve the transformation into new substances.

• Chemical properties describe the color of a substance.

Which of the following is an example of a chemical property?

• The density of water.

• The hardness of a diamond.

• The melting point of ice.

• The flammability of wood.

What happens when wood undergoes a chemical change?

• It changes color but remains solid.

• It turns into water and carbon dioxide.

• It becomes heat energy, smoke, and ash.

• It melts into a liquid form.

What is the chemical property of iron when it reacts with oxygen?

• It becomes magnetic.

• It oxidizes to form rust.

• It becomes more dense.

• It melts at a lower temperature.

Which statement is true about chemical properties?

• They are the same as physical properties.

• They can be observed without changing the substance.

• They are only observed when a substance is in liquid form.

• They involve the formation of new substances.