General Chemistry I MCQ


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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.

This chemistry survey is designed to introduce students to the world of chemistry. The principles of chemistry were first identified, studied, and applied by ancient Egyptians in order to extract metal from ores, make alcoholic beverages, glaze pottery, turn fat into soap, and much more. What began as a quest to build better weapons or create potions capable of ensuring everlasting life has since become the foundation of modern science. Take a look around you: chemistry makes up almost everything you touch, see, and feel, from the shampoo you used this morning to the plastic container that holds your lunch. In this course, we will study chemistry from the ground up, learning the basics of the atom and its behavior. We will use this knowledge to understand the chemical properties of matter and the changes and reactions that take place in all types of matter.
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General Chemistry I MCQ
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108 Pages
English US
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Sample Questions from the General Chemistry I MCQ Quiz

Question: For a given sample of gas molecules, the average kinetic energy depends only on the value of the ________________.






Question: Ionic crystals have the following properties.


Long range order


Made up of neutral molecules

None of the above

Question: The liquid to gas phase transition for the drying rainwater on a road, following a rainstorm, is described to be what?





None of the above

Question: The atmospheric pressure on a nice day is 751 mm Hg. What is this pressure in atmospheres?


0.751 atm

7.51 atm

0.988 atm

1.01 atm

Question: A sample of a certain gas has a volume of 222 mL at 695 mm Hg and 0°C. What would be the volume of this same sample of gas if it were measured at 333 mm Hg and 0°C?


894 mL

657 mL

463 mL

359 mL

Question: The phase change from solid to gas is called ______________.






Question: Nitrogen gas has a pressure of 452 mm Hg. What is the pressure in atmospheres?


4.52 atm

0.595 atm

0.452 atm

1.68 atm

Question: If the temperature and pressure are kept constant during the process, how many liters of TiCl[sub]4[/sub] gas will be produced when 20.0 L of chlorine react with titanium, according to the reaction: Ti(s) + 2 Cl[sub]2[/sub](g) TiCl[sub]4[/sub](g)?


5.00 L

10.0 L

20.0 L

40.0 L

Question: In a phase diagram, if a sample is at low pressure and high temperature, it is likely to be in what phase?





Both A and C

Question: The volume of a certain gas sample is 1150 mL at a temperature of 25°C. At what temperature would that same gas sample have a volume of 1.53 L at constant pressure and mass?






Question: The volume of a certain gas sample is 235 mL at a temperature of 25°C. At what temperature would that same gas sample have a volume of 310 mL at constant pressure and mass?






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Source:  Joanna Smithback, Ph.D. and Rachel Lerebours. General Chemistry I. The Saylor Academy 2014,
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