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Mixtures and Pure Substances Reading

Poslední aktualizace 2 months ago

10 Dotazy

1

Otázka 1

1.

What is all matter made of?

1

Otázka 2

2.

Why are elements very special materials?

1

Otázka 3

3.

What is a compound?

1

Otázka 4

4.

Can you separate the elements in a compound physically?

1

Otázka 5

5.

What can you mix solids with?

1

Otázka 6

6.

When does the sand in a water-and-sand mixture fall to the bottom?

1

Otázka 7

7.

What happens if you mix salt and water?

1

Otázka 8

8.

In a solution, is it easy or hard to see the parts that were mixed?

CHALLENGE QUESTIONS

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1

Otázka 9

9.

How are elements and compounds different from heterogeneous mixtures and solutions?

1

Otázka 10

10.

How is a heterogeneous mixture different from a solution?