Question

3. Classify each of the following materials as a pure substance or mixture. If it is a pure substance, indicate if it is an element or a compound. If it is a mixture, indicate if it is a homogeneous mixture or heterogeneous. (2 points each)

Questions

1.
The copper in a copper wire
2.
Gatorade
3.
Chocolate chip ice cream
4.
Sugar (C12H22O11)
5.
Glitter nail polish
6.
Diamond (C)
7.
Salt (NaCl)
8.
Air
9.
Helium gas
10.
Carbon dioxide gas
11.
Coffee
12.
Caffeine (C8H10N4O2)
13.
Tomato soup
14.
Chicken noodle soup
15.
Brass
16.
Pure water
17.
Pure iron
18.
Sweat
19.
Baking soda (NaHCO3)

Answer 1

Classify each of the following materials as a pure substance or mixture. If it is a pure substance, indicate if it is an element or a compound. If it is a mixture, indicate if it is a homogeneous mixture or heterogeneous. (2 points each)

Questions

1.

The copper in a copper wire pure

2.

Gatorade heterogeneous

3.

Chocolate chip ice cream heterogeneous

4.

Sugar (C12H22O11) pure

5.

Glitter nail polish heterogeneous

6.

Diamond (C) pure

7.

Salt (NaCl) pure

8.

Air homo

9.

Helium gas pure

10.

Carbon dioxide gas pure

11.

Coffee depends on being black and unsaturated

12.

Caffeine (C8H10N4O2) pure

13.

Tomato soup heterogeneous

14.

Chicken noodle soup heterogeneous

15.

Brass homo

16.

Pure water pure

17.

Pure iron pure

18.

Sweat homo

19.

Baking soda (NaHCO3) pure