CHM 1025: Extra Exam 1 Review (unfinished)

Which of the following is an element?

• H2O

• N2

• CO2

• HBr

Tags

NGSS.MS-PS1-1

True or False? Ocean water is a heterogeneous mixture.

• True
• False

Which two of the following are compounds?

• Calcium

• Water

• Caffeine (C8H10N4O2)

• Phosphorus

Tags

NGSS.MS-PS1-1

We can infer that this is a...

• solid

• liquid

• gas

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

We can infer that this is a...

• solid

• liquid

• gas

• square with circles in it

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-4

A substance that is made up of only one kind of atom is a(n)

• compound

• homogeneous mixture

• element

• solution

Tags

NGSS.MS-PS1-1

Which of the following is NOT an extensive property?

• boiling point

• mass

• length

• volume

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Which of the following is a chemical change?

• Water evaporating to its gas form

• Shredding paper

• Crushing a can

• An apple rotting

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following terms describes what a doctor forms when treating patients prior to ordering medical tests?

• Hypothesis

• Theory

• Experiment

• Observation

There are 19.1 liters of paint in a paint bucket. How many milliliters is this?

(Remember sigfigs)

• 191000

• 19100

• 0.019

• 0.02