Understanding Reactions and Uses of Eno Powder

What happens to the colored water blobs when carbon dioxide bubbles attach to them?

• They dissolve in the water.

• They change color.

• They rise to the surface.

• They evaporate.

What causes the colored water blobs to sink back to the bottom of the container?

• The salt dissolves completely.

• The water evaporates.

• The bubbles burst.

• The temperature drops.

What is one of the primary uses of Eno powder?

• To enhance flavor in food.

• To provide relief from indigestion.

• To clean surfaces.

• To act as a preservative.

How does Eno powder help with heartburn?

• By absorbing stomach acid.

• By cooling the stomach.

• By increasing stomach acid.

• By neutralizing excess stomach acid.

Why is Eno powder recommended for a lava lamp experiment?

• It is cheap and easily available.

• It is expensive.

• It is a strong acid.

• It is colorful.