Chemistry Learning Integrative Product - Team 2 Group 214

They are all examples of pure substances, except:

• Copper

• Salt (NaCl)

• Brass

• A can of aluminum

Which of the following pure substances is an element?

• Water

• Glucose

• Copper

• Ammonia

They are characteristics of compounds, except:

• They are composed of two or more elements.

• They cannot be broken down by physical means.

• Their elements are always combined in the same proportion.

• They cannot be separated by chemical means.

They contain two or more different substances that are physically mixed but not chemically combined.

• Molecules

• Mixtures

• Elements

• Compounds

Which of the following is an homogeneous mixture?

• Salad

• Hydrochloric acid

• Iron nail

• Aluminum-magnesium alloy

Select the separation method that can be used to separate the components of blood.

• Chromatography

• Centrifugation

• Distillation

• Evaporation

Which of the following mixtures can be separated through decantation?

• Pebbles and water

• Mayonnaise

• Solution of salt and water

• A soft drink

Select the separation method that can be used to separate salt dissolved in water.

• Decantation

• Distillation

• Evaporation

• Chromatography

Which state of matter corresponds to the second drawing?

• Gas

• Solid

• Bose-Einstein Condensate (BEC)

• Liquid

Gases in this state of matter are composed of ionized particles.

• Ions

• Gas

• Plasma

• Bose-Einstein Condensate (BEC)