Mixtures, Solutions, and Chemical Equations

Multiple Choice

A mixture with such small particles that you cannot see the individual particles.

• Suspension

• Sublimation

• Heterogeneous

• Homogeneous

Multiple Choice

This type of mixture has large enough particles that you can see the different types of particles.

• Homogeneous

• Heterogeneous

• Colloid

• Solution

Multiple Choice

This word means "the same throughout".

• Homogeneous Mixture

• Heterogeneous Mixture

• Suspension Mixture

• Compound Mixture

Multiple Choice

This words means "different throughout".

• Homogeneous Mixture

• Heterogeneous Mixture

• Colloid Solution

• Compound Mixture

Multiple Choice

Which of the following examples is a Heterogeneous mixture?

• Tap Water

• Beach Sand

• Vanilla Cake Mix

• Bottle of Cola

Multiple Choice

Which of the following examples is a Homogeneous mixture?

• Tap Water

• Beach Sand

• Chocolate chip cookie

• Mud water

Multiple Choice

Which of the following examples is a Solution?

• Mud water

• Well water

• butter milk

• Fog

Multiple Choice

This is a type of mixture where one substance dissolves into another

• Solution

• Miscibility

• Compound

• Solubility

Multiple Choice

2. When sugar is stirred into water, it forms a solution. How could you separate the sugar from the water?

• Sieve (strainer

• Evaporation

• Magnetism

• Tweezers 

Multiple Choice

3. Trail mix is formed by adding peanuts, raisins and M&M’s. The trail mix is an example of a 

• Solution, because the ingredients can be easily separated

• Solution, because the ingredients cannot be easily separated

• Mixture, because the ingredients can be easily separated

• Mixture, because the ingredients cannot be easily separated

Multiple Choice

What type of mixture is this?

• homogenous mixture
• chemical
• heterogeneous mixture 
• solid mix

Multiple Choice

What is the left part of a chemical equation called?
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

Multiple Choice

Identify the Reactants in this equation.

• A

• B

Multiple Choice

Consider the chemical equation CH₄ + 2 O₂ → CO₂ + 2 H₂O. In this equation, CH₄ is a

• product
• reactant
• displacement

Multiple Choice

What is the right part of a chemical equation called...
2H_{2 +} O₂ --> 2H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

Multiple Choice

Chemical Equation

• A representation of a chemical reaction

• the starting materials in a chemical reaction

• the new substances that are formed in a chemical reaction

• tells how many atoms, molecules, or formula units take part in a reaction

Multiple Choice

Which compounds are the PRODUCTS of this reaction?

• CO₂ + H₂O

• C₆H₁₂O₆ + O₂

• C₆H₁₂O₆ + CO₂

• H₂O + O₂

Multiple Choice

What is a chemical reaction?

• a change in matter when the molecules rearrange to make new molecules

• a change in matter when matter changes its form or appearance

• a change in matter when the physical appearance changes

• a very boring change in matter

Multiple Choice

How do covalent bonds form?

• Donating & receiving valence e- between atoms.
• Opposite slight charges attract each other between compounds.
• Scientists are still not sure how they form.
• Sharing valence e- between atoms.

Multiple Choice

Signs of a chemical change could be:

• a change in energy (temperature, light, sound)

• a precipitate forms (a solid forms from 2 liquids)

• formation of gas (bubbles)

• shocking change in color

• all of these answers are signs of chemical change

Multiple Choice

A change of color is a sign that a(n) _______________________ is taking place.

• Chemical reaction

• reactant

• color change

• new chemical was added.

Multiple Choice

When a chemical reaction occurs...

• New molecules and atoms are formed

• Molecules and atoms are rearranged

• Molecules and atoms disappear

• Molecules and atoms are destroyed

Multiple Select

Which of the following are signs of a chemical reaction?

• Formation of a gas

• A change in temperature

• A change in color

• A change in size