Elements, Compounds And Mixtures Question Preview (ID: 61638)


Review Of Compounds, Elements And Mixtures. TEACHERS: click here for quick copy question ID numbers.

A compound is a substance that can be broken down into simpler substances and is made from atoms of two or more elements. Which of the following is not a compound?
a) table salt
b) gold
c) carbon dioxide
d) glucose

Air contains about 78% nitrogen and 21% oxygen. What can you conclude from this fact?
a) air is a pure substance
b) air consists of different states of matter
c) air is a mixture of at least two gases
d) air consists of components that are chemically joined

A solution is a mixture where one substance is dissolved in another. One example of a solution is salt water. Why does salt water appear to be a single substance even though it contains more than one substance?
a) Each component in salt water retains its original physical properties.
b) The components in salt water cannot be separated from each other.
c) Salt water is a pure substance.
d) The particles in salt water are distributed evenly among each other.

Which of these common substances is a homogeneous mixture?
a) pure water
b) table salt
c) whole milk
d) maple syrup

What is true of all mixtures?
a) All mixtures are made up of compounds.
b) All mixtures are made up of elements.
c) All mixtures are made up of atoms.
d) All mixtures are made up of colloids.

A material being examined is the same throughout. The material contains carbon and oxygen, chemically combined. What type of material is it?
a) Element
b) Compound
c) Homogenous Mixture
d) Heterogenous Mixture

Water has the chemical formula H2O. How do the properties of hydrogen (H) and oxygen (O) change when they come together to form water?
a) They gain the ability to become a liquid when they form a watermolecule
b) They will both lose electrons when they become part of a water molecule
c) They will no longer burn with they are part of a watermolecule
d) They both can become a gas once they combine to form a water molecule

Which is true about each group of atoms that makes up a compound?
a) Each group is identical
b) Some groups are different sizes
c) Each group contains only one type of atom
d) The groups are made of atoms that are physically combined

Susie wants to make lemonade on a hot summer day. She mixes lemon juice, water, and sugar in a large container. Which of the following happens as she combines the ingredients?
a) The heavier items will not completely dissolve, creating a suspension
b) They mix together to form a homogeneoussolution
c) They mix together to form a new compound
d) The stirring motion causes them to break down into elements

What is it called when the particles in a mixture are dispersed within a liquid or gas and will settle out?
a) Suspension
b) Colloid
c) Solution
d) Homogenous Mixture

Play Games with the Questions above at ReviewGameZone.com
To play games using the questions from above, visit ReviewGameZone.com and enter game ID number: 61638 in the upper right hand corner or click here.

TEACHERS / EDUCATORS
Log In | Sign Up / Register

Help / Support / FAQ




Gaming Links