Practice Quiz. Separating mixtures and properties.

Sand and gravel may be separated from each other through using..

• a filter funnel
• a sieve
• an evaporating basin
• a distillation

Which of the following pairs of substances may best be separated through distillation

•  sand and soil
• water and soil
• salt and sand
•  water and alcohol

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Name the separation technique used to recover the salt from seawater.

• evaporation

• distillation

• filtration

• decanting

Sodium chloride (table salt) can be separated from rock salt by first adding water to the mixture to dissolve the sodium chloride. The separation then takes place in two stages:

• evaporation followed by filtration

• distillation followed by decanting

• filtration followed by evaporation

• filtration followed by decanting

In a coffee machine, the ground coffee is separated from the coffee solution by using..

• sand paper

• filter paper

• toilet paper

• tissue paper

Which one of the following would you use to separate sand from iron filings?

• a bar magnet
• filter paper
• chromatography paper
• alum

What kind of properties can only be observed when a substance changes into a different substance?

• physical properties
• chemical properties
• liquid properties
• real properties

Tags

NGSS.MS-PS1-2

Which of the following is a sign that a chemical reaction has occurred?

• change in shape
• melting
• formation of a gas
• dissolving

Tags

NGSS.MS-PS1-2

Is hammering wood together to build a house a chemical or physical change?

• chemical
• physical

Tags

NGSS.MS-PS1-2

A change in the size, shape, or state of matter.

• chemical change
• physical change
• chemical reaction
• electron change

Tags

NGSS.MS-PS1-4