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5.4 Separate mixtures [Should Do]

Authored by Lee Peng TUNG

Science

7th Grade

NGSS covered

Used 12+ times

5.4 Separate mixtures [Should Do]
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13 questions

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1.

DROPDOWN QUESTION

1 min • 2 pts

Media Image

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

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the example an element?

shell

salt

cocktail

oxygen

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

filtration

distillation

floatation

Tags

NGSS.MS-PS1-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

there is ____ type of atom in an element.

two

one

four

three

zero

Tags

NGSS.MS-PS1-1

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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-PS1-4

NGSS.MS-PS1-2

NGSS.MS-PS3-4

NGSS.MS-PS3-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

centrifuge

physical manipulation

sieving/sifting

decantation

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