Preskoči na glavni sadržaj
Prijava
Sign up for FREE
arrow_back
Biblioteka

MM Do Now Ch 1 Test Review

star
star
star
star
star
Posljednje ažuriranje 7 months ago
17
1
1
1
1
1
1
1
1

Use this model to answer the following questions

1
Pitanje 1
1.

Is this a substane or a mixture?

1
Pitanje 2
2.

Explain why it is a substance or why it is a mixture?

Use this model to answer the following questions

1
Pitanje 3
3.

Is this a substane or a mixture?

1
Pitanje 4
4.

Explain why it is a substance or why it is a mixture?

Pitanje 5
5.

Air is what phase of matter?

Pitanje 6
6.

What do the molecules look like in air?

Pitanje 7
7.

A cup is what phase of matter?

Pitanje 8
8.

What do the molecules look like in a cup?

Pitanje 9
9.

Water in this glass is what phase of matter?

Pitanje 10
10.

What do the molecules look like in the water?

Pitanje 11
11.

Which molecules move the slowest?

Pitanje 12
12.

Which molecules move the fastest?

This is the chromatography paper after water was added to the food coloring sample.

1
Pitanje 13
13.

How many different colors do you see on the chromatography paper?

1
1
Pitanje 15
15.

Explain why it is a substance or why it is a mixture?

1
1
Pitanje 14
14.

This means the food coloring is a substance or mixture?

Pitanje 16
16.

The food coloring was separated because of attraction.

Why was the red food coloring at the bottom of the paper? Use the word attract in your answer.

Pitanje 17
17.

Why was the blue food coloring at the top of the paper? Use the word attract in your answer.