Physical Science Review

Physical Science Review Chemistry

by Hilda Hagad

Multiple Choice

An element is a material that cannot be broken down into anything simpler by chemical reactions.

A

• True

• False

Multiple Choice

 Two examples of elements are H and Ca.  What does the symbol Ca represent? 

• Helium

• Hydrogen

• Carbon

• Calcium

Multiple Select

Which of the following are examples of compounds?  Select all the correct answers.

• H₂O

• C₆H₁₂O₆

• 3Au

Multiple Choice

When 2 or more elements are combined, a compound is created.

• True

• False

Multiple Choice

The center of the atom is called.

• Electron

• Proton

• Nucleus

• Neutron

Multiple Select

What is the boiling point of water?

Select all the correct answers.​

• 32∘F

• 100∘ C

• 0∘C

• 212∘F

Multiple Choice

Which of the following could indicate that a chemical change took place?  

• change of color

• change in temperature or energy

• formation of gases

• all of the above

Multiple Choice

What is the phase change from liquid to gas?

• condensation

• freezing

• sublimation

• evaporation

Multiple Choice

What is the phase change from solid to gas without passing the liquid state?

• condensation

• freezing

• sublimation

• evaporation

Multiple Choice

What is the phase change from solid to liquid?

• condensation

• freezing

• melting

• evaporation

Multiple Choice

The Conservation of Matter (Conservation of Mass -a fundamental principle of classical physics) states that

• Matter cannot be created or destroyed

• Matter is imperfect

• Matter can have no value

• Matter is absolute

Multiple Choice

All of the following are physical properties of matter EXCEPT ____

• mass

• color

• melting point

• ability to rust

Multiple Choice

What coefficient should you put to balance the equation?

__Fe + __O₂ --> 2Fe₂O₃

• Fe=2

  O2=3

• Fe=2

  O2=4

• Fe=4

  O2=3

• Fe=4

  O2=6

Multiple Choice

What type of chemical reaction is this?

Fe + O₂ --> Fe₂O₃

• Combination

• Decomposition

• Single Replacement

• Double Replacement