Final Exam - Physical Science

Salt has which type of bonds

• covalent bond

• Hydrogen bond

• Ionic bond

• Metallic bonds

Identify the type of reaction: A + B-----> AB

• combustion

• synthesis

• decomposition

• single-displacement

Identify the type of this reaction: AX + B ---->BX + A

• combustion

• decomposition

• double displacement

• single displacement

What is the difference between the formulas for speed and velocity ?

• Speed is slow

• Speed had direction

• Velocity is only displacement

• velocity has direction

Most reactions go faster at a higher temperature

• True

• False

Whena chemical reaction occurs, atoms are

• ionized

• rearranged

• destroyed

• vaporized

A system in chemical equilibrium

• responds to oppose change

• has particles that do not move

• is undergoing visible change

• is stable only when all reactants have been used

identify the following measurement as velocity

• 88 k/h

• 10 m/s

• 16 km/h west

• 212 degrees

The unit for speed is

• mph

• ft/s²

• m/s

• v/t

Which is an example of balanced force acting on an object

• a car turning a corner

• a kangaroo jumping

• a leaf lying on the ground

• a cyclist slowing down