Element, Compounds and Mixture Reivew

Element, Compound, Mixtures Review

Multiple Choice

Element, Compund, or Mixture?

water

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

sugar

• element

• compound

• mixture

​Sugar is a compound, as its molecular structure is made up of three elements that are bonded. These elements are Carbon, Hydrogen, and Oxygen.

Multiple Choice

Element, Compund, or Mixture?

helium (He)

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

air

• element

• compound

• mixture

​Air is an homogeneous mixture of several gases.

​

Explanation:

The air we breathe is composed of gases, mostly N2, and O2, and some inert gas elements in trace quantities. There are small (but increasing) concentrations of CO2, SO2, and nitrogen oxides.

Multiple Choice

Element, Compund, or Mixture?

quartz (SiO2)

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

salad dressing

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

water, sand and salt

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

Neon (Ne)

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

methane

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

magnesium

• element

• compound

• mixture

Multiple Choice

two or more substances physically combined

• element

• compound

• mixture

Multiple Choice

keep their own properties

• element

• compound

• mixture

Multiple Choice

NEW properties are formed

• element

• compound

• mixture

Multiple Choice

cannot be broken down

• element

• compound

• mixture

​An element is the simplest form of matter. It cannot be broken down into anything smaller.

Multiple Choice

two or more substances chemically combined

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

iron (Fe)

• element

• compound

• mixture

Multiple Choice

formed by a chemical change

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

salt water

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

have DIFFERENT properties than the elements that make them up

• element

• compound

• mixture

Multiple Choice

• Homogeneous

• Heterogeneous

Multiple Choice

• Homogeneous

• Heterogeneous

Multiple Choice

In a ______________, one substance is dissolved in another substance.

• solution

• suspension

• colloid

Multiple Choice

substance that dissolves the solute

• solution
• solvent
• saturation
• so

Multiple Choice

The substance being dissolved in a solution.

• sands
• solute
• solvent
• alloy

Multiple Choice

If a spoonful of sugar is mixed in a glass of water, what is the water called? 

• solute
• solution
• solvent
• element 

Multiple Choice

• solute

• solvent

Multiple Choice

Which one of the following solids is insoluble in water?

• sugar
• sand
• copper sulfate
• salt

Multiple Choice

What is filtration?

• A method used to separate a solid from a liquid that dissolves in the liquid

• A separating technique used to separate a mixture of a solid and liquid where the solid does not dissolve in the liquid

Multiple Choice

 

How to separate coffee beans and coffee liquid?

• Distillation

• Filtration

• Evaporation

• Sieving

Multiple Choice

Evaporation is the change of state from ___________ to __________

• liquid to gas

• solid to liquid

• gas to liquid

Multiple Choice

Sara heats a salt solution. What is the name of the process happening at X?

• boiling

• evaporation

• freezing

Multiple Choice

The type of separation that would be appropriate if you needed to separate solid particles from a liquid is....

• Distillation

• Filtration

• Separation funnel

• Crystallization

Multiple Choice

How can I separate the salt from water?

• Cooling the mixture

• Heating the mixture

• Waiting

• Adding other substances