Quiz Material (Math Problems) Flashcards
1
Q
Identify as pure substance or mixture:
- Table salt
- Helium
- Aluminum Foil
- Air
A
- Pure (Compound)
- Pure (Element)
- Pure (Element)
- Mixture (Non-consistent)
2
Q
Identify each as homo or heterogenous :
- Shampoo
- Soda
- Peach pie
- Banana split
A
- Homo
- Homo
- Hetero
- Hetero
3
Q
What kind of change is a candle burning?
A
Chemical
4
Q
What kind of change is cutting a pizza!
A
Physical
5
Q
Identify each as an exact or measured number:
- 1 yard
- Diameter if a red blood cell
- A can of soda has 355 mL of soda
- There are 6 hats in a shelf
- Gold melts at 1064 C°
A
- Exact
- Measured
- Measured
- Exact
- Measured
6
Q
How many significant figures does the phrase “5 pencils” have?
A
None—It’s an exact number
7
Q
4.732 x 6.88=
A
32.6
8
Q
2056.8/257.1
A
8.000
9
Q
(5.99 x 7.421)/(1.1 x 0.685)
A
59
10
Q
(4.9 x 10^3) + (7.21 x 10^4)=
A
7.70 x 10^4
11
Q
9.43-5.1=
A
4.3
12
Q
(0.7761 x 22.1) / (490.1 - 488) =
A
8
13
Q
(101.5 - 101.34) / (4.72 x 0.5225) =
A
0.06
