AP Chemistry Chapter 1 Quiz (Part 2)
15 Questions
| Total Attempts: 1249
This quiz covers the second half of Chapter 1:� Chemical Foundations in your textbook. � This would be sections 1. 5-1. 9.
Questions and Answers
- 1.How many significant figures is in the following number? 0.0105 g of caffeine
- A.
5
- B.
4
- C.
3
- D.
2
- 2.How many significant figures are in the following number? 0.050080 g in a chemical analysis
- A.
6
- B.
5
- C.
4
- D.
2
- 3.Please round the following number to two significant figures. 4.348
- A.
4.4
- B.
4.3
- C.
4.5
- D.
4.35
- 4.When is it proper to round significant figures during a series of calculations?
- A.
It doesn't matter
- B.
The beginning
- C.
The middle
- D.
The end
- 5.A pencil is 5.08 in long. What is its length in centimeters?
- A.
17.8cm
- B.
12.9cm
- C.
2.54cm
- D.
5.08cm
- 6.Converting results from one system of units to another is commonly called what?
- A.
Significant figures
- B.
Calculations
- C.
Chemistry
- D.
Dimensional analysis
- 7.212 degrees Fahrenheit is equal to what temperature in Celsius?
- A.
37
- B.
100
- C.
98.6
- D.
180
- 8.100 degrees Celsius is equal to what temperature on the Kelvin scale?
- A.
313.15
- B.
373.15
- C.
273.15
- D.
213.15
- 9.A property of matter that is often used by chemists as an "identification tag" for a substance is called what?
- A.
Mass
- B.
Force
- C.
Weight
- D.
Density
- 10.Anything that occupies space is called what?
- A.
Atoms
- B.
Matter
- C.
Density
- D.
Mass
- 11.Which of the following is not a state of matter?
- A.
Solid
- B.
Brumley
- C.
Liquid
- D.
Gas
- 12.Which of the following mixtures has distinguishable parts?
- A.
Heterogeneous
- B.
Homogeneous
- 13.What method of filtration employs a system with two phases of matter: a mobile phase and a stationary phase?
- A.
Distillation
- B.
Filtration
- C.
Chromatography
- D.
Change
- 14.Which of the following substances cannot be decomposed into simpler substances by chemical or physical means?
- A.
Solutions
- B.
Pure substances
- C.
Compounds
- D.
Elements
- 15.What would be the correct answer (with significant figures) for the following problem?21-13.8 = ?
- A.
7.2
- B.
7
- C.
7.0
- D.
7.00
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