Question

A scientist placed a sample of lithium into a container of water. The scientist observed the lithium floating and making a buzzing sound as gas bubbles were forming around it. Smoke and steam were released as well. Which conclusion is BEST supported by this observation?

A.
Water was vaporized.

B.
Dissolved gases were released.

C.
A chemical change took place.

D.
The lithium was dissolved by the water.

Answer 1

Explanation:Again, this is an example of a physical change. Figure 3.6. 1: Ice melting is a physical change. When liquid water (H2O) freezes into a solid state (ice), it appears changed; however, this change is only physical, as the composition of the constituent molecules is the same: 11.19% hydrogen and 88.81% oxygen by mass.03-Sept-2019