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Chemistry Chapters 1&2 Exam Review Flashcards | StudBud
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Chemistry Chapters 1&2 Exam Review
Chemistry Chapters 1&2 Exam Review
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Glencoe Chemistry matter and change, Chapter 1 and 2 Review
Flashcards
25 cards
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Practice quiz
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Questions
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Answers
1
In the chem lab, chemicals that you are finished working with should be ________
disposed of as directed by your teacher
returned to their original containers
poured down the drain
mixed together and dumped in a waste beaker
2
Which of the following series of scientific steps is most likely in the correct order?
observation, hypothesis, experiment
hypothesis, theory, experiment
observation, theory, experiment
Scientific law, experiment, theory
3
You add 1.00 + 2.5 + 0.005. What is the answer in the correct number of sig figs?
4
3.5
3.50
3.505
4
The correct prefix for 10
-6
is
Nano
Deci
Centi
Micro
5
In Lab a student mixed two chemicals and recorded "a yellow color appeared" this statement is__
a conclusion
a hypothesis
an inference
an observation
6
The mass of a penny is measured 3 times: 2.4g, 2.6g, 2.7g. The actual mass is 2.5g. This shows
Accuracy only
Neither precision nor accuracy
Precision and Accuracy
Precision only
7
You multiply 1.00 x 2.5 x 0.005. What is the answer in the correct sig figs?
0.0125
0.013
0
0.01
8
The branch of chemistry that has an area of emphasis in living organisms.
Theoretical Chemistry
Biochemistry
Organic Chemistry
Industrial Chemistry
9
Which of the following is a qualitative measurement?
The chemicals reached 104C
The mass of a penny is 2.5g
The piece of metal is very large
There are 208 pennies in the jar
10
This is the type of research that is done to gain knowledge
Applied Research
Scientific Reasearch
Pure Research
Basic Reasearch
11
Which of the following about CFC's is true?
It is toxic
It damages ozone
It is unstable
It is naturally occuring
12
This is the type of chemistry that studies the carbon-containing chemicals
Physical Chemistry
Polymer Chemistry
Organic Chemistry
Analytical Chemistry
13
What is 0.07600 in scientific notation with the correct number of sig figs?
7.6 x 10-3
7.600 x 10-2
7.600 x 10-3
7.6 x 10-2
14
Which of the following properties of matter can be explained at the submicroscopic level?
Composition
All of these
Structure
Behavior
15
How many sig figs does the following number have?
2
0
1
3
16
The image below is a
Petri dish
Graduated cylinder
Beaker
Flask
17
What is 7600 in scientific notation with the correct number of sig figs?
7.6 x 102
7.600 x 102
7.6 x 103
7.600 x 103
18
______________ is the study of all matter and the changes it goes through.
Chemistry
Mass
Theory
Weight
19
Which of the following is a quantitative measurement?
There are 208 pennies in the jar
The piece of metal is very large
The chemicals got hot
The cats are black
20
The volume of a balloon increases as heated. What is the independent variable?
Balloon volume
Number of balloons
Temperature
21
What is the correct scientific unit of measure for volume?
Gallon
Gram
Foot
Liter
22
Which is the part of the experiment that serves as the point of comparison for the results?
constants
independent variable
control
hypothesis
23
The branch of chemistry that has an area of emphasis in the behavior and changes in matter
Theoretical Chemistry
Biochemistry
Organic Chemistry
Physical Chemistry
24
Gravity is an example of a scientific _________________
hypothesis
observation
theory
law
25
The goal of all experiments is to prove the hypothesis is correct
False
True