Chemistry Midterm Review

Betty McButterpants accidentally broke a glass beaker. Where should it be disposed?

• The trash can

• The sharps container

• The biohazard bin

• The glass recycling bin

Which chemical is the most unstable?

• A

• B

• C

• D

Tags

NGSS.HS-PS1-2

Which of the following is a test tube?

• A

• B

• C

• D

• E

Marcus McFlufferkins needs to precisely measure out a specific volume of a liquid. Which type of glassware would be MOST suitable?

• Graduated Cylinder

• Test Tube

• Erlenmeyer Flask

• Beaker

What is the measurement of this liquid? Include one uncertain unit.

(your answer should just be a number, no units!)

A cube with a side length of 2cm is found to have a mass of 10g. What is its density in g/cm^3?

(your answer should just be a number, no units)

Which is NOT a property of metals?

• Conducts heat & electricity

• Ductile

• Malleable

• Always solid at room temp

• Has a metallic lustre

Which of the following is an example of a chemical change?

• Bread being toasted

• Water boiling

• the sublimation of dry ice

• salt added to water

Tags

NGSS.MS-PS1-2

A bar of plain Hershey's milk chocolate would be classified as a....

• Element

• Compound

• Homogenous Mixture

• Heterogenous Mixture

Tags

NGSS.MS-PS1-1

What was Davy's biggest contribution to chemistry?

• He discovered Phlogisten

• He made carbonated water

• He calculated mass

• He figured out that electricity/charges are a part of matter

Tags

NGSS.MS-PS2-3