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  • Chemistry in Context
  • Phases and Classification of Matter
  • Physical and Chemical Properties
  • Measurements
  • Measurement Uncertainty, Accuracy, and Precision
  • Mathematical Treatment of Measurement Results
  • Module for Testing Functions of Various Items to See How They Generate in the PDF
A photo collage shows a cup of black coffee, a hand covered in foamy soap, a remote control, and a gasoline pump nozzle inserted into a vehicle’s gas tank.
Chemical substances and processes are essential for our existence, providing sustenance, keeping us clean and healthy, fabricating electronic devices, enabling transportation, and much more. (credit “left”: modification of work by “vxla”/Flickr; credit “left middle”: modification of work by “the Italian voice”/Flickr; credit “right middle”: modification of work by Jason Trim; credit “right”: modification of work by “gosheshe”/Flickr)

Your alarm goes off and, after hitting “snooze” once or twice, you pry yourself out of bed. You make a cup of coffee to help you get going, and then you shower, get dressed, eat breakfast, and check your phone for messages. On your way to school, you stop to fill your car’s gas tank, almost making you late for the first day of chemistry class. As you find a seat in the classroom, you read the question projected on the screen: “Welcome to class! Why should we study chemistry?”

Do you have an answer? You may be studying chemistry because it fulfills an academic requirement, but if you consider your daily activities, you might find chemistry interesting for other reasons. Most everything you do and encounter during your day involves chemistry. Making coffee, cooking eggs, and toasting bread involve chemistry. The products you use—like soap and shampoo, the fabrics you wear, the electronics that keep you connected to your world, the gasoline that propels your car—all of these and more involve chemical substances and processes. Whether you are aware or not, chemistry is part of your everyday world. In this course, you will learn many of the essential principles underlying the chemistry of modern-day life.

Quiz PDF eBook: 
Chemistry Chapters 1 and 2- Test 1
Download Chemistry Quiz PDF eBook
19 Pages
English US
Educational Materials

Sample Questions from the Chemistry Chapters 1 and 2- Test 1 Quiz

Question: Which one of the following is an extensive property?


density of lead

boiling point of ethanol

density of water

mass of sodium chloride

melting point of iodine

Question: Which of the following numbers has the most significant zeros?



6.023 x 10^23


4.08400 x 10^-7


Question: Round the number 1027.538 to four significant figures and express the result in standard scientific notation.


1.028 x 10^3

1.028 x 10^-3


0.1028 x 10^3

10.28 x 10^-2

Question: Which one of the following would be a comfortable room temperature?






none of the above

Question: Which of the following can be separated into other substances by physical means?


copper wire


salt water

an atom

none of these

Question: Of the following, only _______ is a chemical reaction.


crushing aspirin

Kool-Aid dissolving in water

sugar melting

silver tarnishing

ice melting in water

Question: Which of the following is an isotope of 60Co?







Question: Which of the following can be easily separated into individual components using physical processes such as filtering or decanting?


pure substances

heterogeneous mixture

homogeneous mixture



Question: What would be the best unit to record the volume of a liquid required for a cookie recipe?







Question: Which of the following is the same as 0.001cm?


0.01 mm

100 m

0.1 dm

0.01 km

0.00001 dm

Question: Which of the following is an illustration of the law of definite proportions?


water is a compound

water can be separated into other substances by chemical processes

the boiling point of water is constant

water is 11% hydrogen and 89% oxygen by mass

water occurs naturally on the earth in all three states

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