General Chemistry Quiz: Test Your IQ On Chemistry
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Get ready to go on a journey through the fundamental principles of chemistry with our General Chemistry Quiz! This quiz is designed to test your knowledge across various domains of chemistry, covering topics such as atomic structure, chemical bonding, states of matter, chemical reactions, and more.
Challenge yourself with questions ranging from the basics of the periodic table to more advanced concepts like stoichiometry and equilibrium. With each question, you'll delve deeper into the fascinating world of chemistry, gaining insights into how substances interact and transform.
Put your knowledge to the test and see how well you fare in this Read morecomprehensive examination of general chemistry concepts. Whether you're aiming to reinforce your understanding or simply enjoy the thrill of solving chemical puzzles, our General Chemistry Quiz promises an enriching experience for all levels of expertise.
General Chemistry Questions and Answers
- 1.
When two or more elements are chemically combined, what is the result?
- A.
A Compound
- B.
A Blend
- C.
A Mixture
- D.
A Couple
Correct Answer
A. A CompoundExplanation
When two or more elements are chemically combined, the result is a compound. A compound is a substance that is made up of two or more different elements chemically bonded together. The elements in a compound are present in fixed proportions and cannot be separated by physical means. This is different from a mixture, where the elements are simply mixed together and can be separated by physical means. A blend refers to a mixture of different substances, while a couple refers to two things that are paired or connected.Rate this question:
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- 2.
Carbon monoxide is the result of a bond between one atom of carbon and how many atoms of oxygen?
- A.
One
- B.
Ten
- C.
Two
- D.
Five
Correct Answer
A. OneExplanation
Carbon monoxide is the result of a bond between one atom of carbon and one atom of oxygen. This is because the chemical formula for carbon monoxide is CO, indicating that there is only one atom of carbon and one atom of oxygen in each molecule of carbon monoxide.Rate this question:
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- 3.
The scientific method can include all these elements except which one?
- A.
Experiment
- B.
Assumption
- C.
Hypothesis
- D.
Prediction
Correct Answer
B. AssumptionExplanation
The scientific method involves a systematic approach to understanding the natural world through observation, experimentation, and the formulation of hypotheses and predictions. Assumptions, on the other hand, are not a formal part of the scientific method. While scientists may have certain assumptions or beliefs that guide their research, these are not considered a necessary step in the scientific process. Instead, the scientific method emphasizes the importance of gathering empirical evidence and testing hypotheses through controlled experiments.Rate this question:
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- 4.
What starts a fire?
- A.
Convection
- B.
Germination
- C.
Extinction
- D.
Ignition
Correct Answer
D. IgnitionExplanation
Ignition is the correct answer because it refers to the process of starting a fire. It involves the initial heat and flame that ignites combustible materials, causing them to burn. Without ignition, a fire cannot start or sustain itself. Convection, germination, and extinction are unrelated to the process of starting a fire, making them incorrect options.Rate this question:
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- 5.
What property of a fire tells you how hot it is?
- A.
Mass
- B.
Depth
- C.
Color
- D.
Width
Correct Answer
C. ColorExplanation
The color of a fire can indicate its temperature. Generally, a blue flame is hotter than a yellow or orange flame. This is because different colors of flames are caused by different substances burning at different temperatures. A blue flame indicates a higher temperature, while a yellow or orange flame indicates a lower temperature. Therefore, by observing the color of a fire, one can get an idea of how hot it is.Rate this question:
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- 6.
Of the various forms of matter, which has mass but no shape?
- A.
Plasma
- B.
Shape
- C.
Gas
- D.
Superliquid
Correct Answer
C. GasExplanation
Gas is the correct answer because it is a form of matter that has mass but no definite shape. Unlike solids and liquids, gasses do not have a fixed volume or shape, and they can expand to fill the container they are in. Gas particles are in constant motion and spread out to fill the available space, making them highly compressible. Examples of gasses include oxygen, nitrogen, and carbon dioxide.Rate this question:
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- 7.
Which famous 19th century chemist invented dynamite?
- A.
Louis Pasteur
- B.
Marie Curie
- C.
Alfred Nobel
- D.
Neils Bohr
Correct Answer
C. Alfred NobelExplanation
Alfred Nobel is the correct answer because he was a famous 19th century chemist who invented dynamite. He was a Swedish inventor and industrialist who held 355 different patents, with dynamite being one of his most notable inventions. Dynamite revolutionized the construction and mining industries, making Nobel a wealthy man. However, he became concerned about the destructive nature of his invention and established the Nobel Prizes in his will, including the Nobel Prize in Chemistry, to promote peace and scientific advancements.Rate this question:
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- 8.
Almost 50% of the Earth's crust is composed of what element?
- A.
Helium
- B.
Vanadium
- C.
Potassium
- D.
Oxygen
Correct Answer
D. OxygenExplanation
Oxygen is the correct answer because it is the most abundant element in the Earth's crust, making up almost 50% of its composition. It is an essential component of minerals like silicates and oxides, which are abundant in the Earth's crust. Oxygen also combines with other elements to form various compounds, such as water and carbon dioxide, which are crucial for sustaining life on Earth.Rate this question:
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- 9.
What is the positively charged central portion of an atom known as?
- A.
Nucleus
- B.
Neutron
- C.
Core
- D.
Electron
Correct Answer
A. NucleusExplanation
The positively charged central portion of an atom is known as the nucleus. It contains protons and neutrons, which are the subatomic particles that make up the majority of an atom's mass. The nucleus is surrounded by negatively charged electrons, which orbit around it in energy levels. The nucleus plays a crucial role in determining the overall properties and behavior of an atom.Rate this question:
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- 10.
Which of these is not part of the scientific method?
- A.
Conclusion
- B.
Fabrication
- C.
Observation
- D.
Experimentation
Correct Answer
B. FabricationExplanation
Fabrication is not part of the scientific method because it involves creating or inventing false information or data. The scientific method is a systematic approach to acquiring knowledge through observation, experimentation, and drawing conclusions based on evidence. Fabrication goes against the principles of honesty, integrity, and objectivity that are essential in scientific research. It undermines the credibility and reliability of scientific findings, which rely on accurate and unbiased data collection and analysis.Rate this question:
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- 11.
According to scientific law, what is neither created nor destroyed but only changes in form?
- A.
Energy
- B.
Force
- C.
Matter
- D.
Density
Correct Answer
A. EnergyExplanation
According to the law of conservation of energy, energy cannot be created or destroyed, but it can only change from one form to another. This means that the total amount of energy in a closed system remains constant. Energy can be converted from potential to kinetic, thermal to mechanical, or from one type to another, but it is always conserved. Therefore, energy fits the description provided in the question.Rate this question:
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- 12.
Which term means requiring oxygen?
- A.
Systemic
- B.
Anaphylactic
- C.
Prophylactic
- D.
Aerobic
Correct Answer
D. AerobicExplanation
Aerobic means requiring oxygen. It is a term used to describe processes or organisms that need oxygen to function properly.Rate this question:
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Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 07, 2024Quiz Edited by
ProProfs Editorial Team
Expert Reviewed by
Zohra Sattar -
Apr 03, 2015Quiz Created by
Thames
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