What is Solubility?

• Chemical Reaction
• Chemical Property
• Physical Change
• Physical Property

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-5

What is Dissolving?

• Chemical Reaction
• Chemical Property
• Physical Change
• Physical Property

Tags

NGSS.MS-PS1-4

A bowl of water freezes. The correct molecular formula for the frozen water is

• H₂O_(s)
• H₂O_(l)
• H₂O_(g)
• H₂O_(aq)

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

In an experiment involving dissolving tablets, a chemist uses a hammer to crush a tablet. This is an example of a

• Physical Change
• Chemical Reaction
• Physical Property
• Chemical property

The melting point of a substance is an example of a

• Chemical Property
• Physical Property
• Chemical Reaction
• Physical Change

Tags

NGSS.MS-PS1-4

Which of the following would indicate a Chemical Change?

• Gas Produced
• Size Change
• Shape Change
• Reactants are the same as the Products

Tags

NGSS.MS-PS1-2

H₂O_(s) + heat ----⊳ H₂O_(l)

• Physical Change
• Chemical Reaction

Tags

NGSS.MS-PS1-4

An unknown substance is put on a counter. In its current state it is a solid. Room temperature is making the substance transition directly from a solid state to a gaseous state. What is this known as?

• Sublime
• Sublimation
• Dynamic Evaporation
• Heisenberg's Uncertainty Principle

Tags

NGSS.MS-PS1-4

If a compound appears as XY_(aq), then the compound XY is

• dissolved in water
• in a solid state
• in a liquid state
• in a gaseous state

In a reaction a chemist notices a bubbling and a foul odor. This is most likely a sign of

• a gas being produced
• a failed experiment
• a physical property
• a color change

Tags

NGSS.MS-PS1-2