5.4 Separate mixtures [Should Do]

Why air is a mixture?

Because air is made up of different ​ (a)   or compounds, that combined ​ (b)   .

​

• elements
• physically
• chemically

Tags

NGSS.MS-PS1-1

Which of the following is the example an element?

• shell

• salt

• cocktail

• oxygen

Which methods are used in salt production?

• use of magnet and winnowing

• evaporation and distillation

• evaporation and crystallization

• physical manipulation and decantation

Tags

NGSS.MS-PS1-4

• filtration

• distillation

• floatation

Tags

NGSS.MS-PS1-4

there is ____ type of atom in an element.

• two

• one

• four

• three

• zero

Tags

NGSS.MS-PS1-1

The separation of constituents of a liquid mixture by vaporization and then again condensing the vapor into liquid. It involves a change of state from liquid to vapor and again to liquid.

• crystallization

• distillation

• evaporation

• centrifuge

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What method to separate mixture is being described by the picture?

• centrifuge

• physical manipulation

• sieving/sifting

• decantation

MIXTURE can be separated

• chemically

• physically

Which method can you use to separate sand and iron filings?

• Distillation

• Separation Using Magnet

• Filtration

• Evaporation

Which of the following is the properties of compound?

• Bonded chemically

• Does not form new substance

• Undergoes physical changes

• Properties of substance and product remain the same