Reacción

The video tutorial explains the formation of new chemical bonds leading to new substances, differentiates chemical reactions from physical changes, and defines reactants and products in chemical reactions.

What is formed when new bonds are created in a chemical reaction?

• A new chemical substance

• A new element

• A new physical state

• A new mixture

How do chemical reactions differ from physical changes?

• Chemical reactions occur only in liquids, while physical changes occur in solids.

• Chemical reactions create new substances, while physical changes do not.

• Chemical reactions involve energy release, while physical changes do not.

• Chemical reactions are reversible, while physical changes are not.

In a physical change, what happens to the particles?

• They are destroyed.

• They are rearranged but remain unchanged.

• They change into different elements.

• They form new substances.

What are the substances called that are used up in a chemical reaction?

• Inhibitors

• Catalysts

• Products

• Reactants

What term is used for substances that are produced in a chemical reaction?

• Reactants

• Catalysts

• Products

• Solvents