Matter

Which formula listed below correctly finds density? 

• D= V/m
• D = m/V
• D = g3 /V
• D = g/V3 

Mass is a(n) ____ property

• electrical
• natural
• physical
• chemical

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

• bending a pop can
• burning paper
• evaporation of milk
• melting wax

______________is a physical property.

• combustibility
• oxidation
• density
• flammability

Which explains the law of conservation of mass?

• Mass can be created and destroyed during reaction.
• Total mass before reaction is same as total mass after reaction. 
• Reaction creates equal amount of mass related to the amount of energy.
• The total amount of mass is equal to volume of both chemicals in reaction

 An example of a chemical property is______________.

• ability to be attracted by a magnet 
• solubility
• boiling point 
• ability to react with oxygen 

A graduated cylinder has 20 ml of water. An object displaces the water to 32 ml. What is the volume of the object? 

• 52 ml
• 32 ml
• 12 ml
• 640 ml

The melting point of silver is a ____.

• physical property
• physical change
• chemical property
• chemical change

Titanium reacts less with oxygen than most metals do. This is a ____. 

• physical change
• physical property
• chemical change
• chemical property

You can separate sugar from sand because sugar is ____ and sand is not. 

• ductile
• malleable
• soluble in water
• acidic