I WONDER - What Is A Chemical Reaction?

The video explains chemical reactions as transformations where reactants turn into products. It uses the example of mixing baking soda and vinegar to illustrate the formation of new substances, contrasting it with simple mixing like adding sugar to tea.

How is a chemical reaction similar to a magical transformation?

• It happens only in fairy tales.

• It requires a magic wand.

• It involves changing substances into new forms.

• It is reversible.

What are the starting materials in a chemical reaction called?

• Products

• Reactants

• Catalysts

• Elements

When baking soda and vinegar are mixed, which of the following is NOT a product?

• Sugar

• Carbon dioxide

• Water

• Salt

What distinguishes a chemical reaction from simply mixing substances?

• New substances are formed.

• It involves only liquids.

• It requires heating.

• The substances remain unchanged.

Which of the following is an example of a simple mixture?

• Burning wood

• Rusting of iron

• Mixing baking soda and vinegar

• Adding sugar to tea