Sodium Metal Reactions in Water

The video demonstrates the reaction of sodium metal with water, highlighting the audience's excitement. It describes the fire and orange flame produced, and explains how the sodium melts into a molten metal ball that rolls on the water's surface. The reaction concludes when the sodium is fully consumed.

What was the initial reaction of the students when sodium metal was introduced?

• They were silent.

• They were confused.

• They expressed excitement.

• They left the room.

What was observed on top of the water when sodium metal was added?

• No flame

• A green flame

• An orange flame

• A blue flame

What shape did the sodium metal take on the water surface?

• A square

• A hexagon

• A round shape

• A triangle

Why did the sodium metal form a round shape on the water surface?

• It was frozen.

• It was molten.

• It was solid.

• It was gaseous.

What happened to the sodium metal after it reacted completely?

• It remained on the surface.

• It evaporated.

• It disappeared.

• It turned into a gas.