1.1 Welcome To Chemistry.
- 1.
Why is chemistry awesome?
- A.
Chemists get to blow stuff up
- B.
Chemistry is a gateway to great careers and fields of study
- C.
Chemistry can provide deep molecular answers to questions
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
All of the above are true.Rate this question:
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- 2.
What is chemistry?
- A.
The study of chemicals
- B.
The study of matter and how it changes
- C.
The art of mixing chemicals together and the determination of the products that form
- D.
A measure of the compatibility between two people
Correct Answer
B. The study of matter and how it changesExplanation
chemistry is the study of matter and how it changes.Rate this question:
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- 3.
What do chemists do? Please choose the best answer
- A.
They mix chemicals
- B.
They study matter and how it changes
- C.
They create new drugs
- D.
They analyze substances
Correct Answer
B. They study matter and how it changesExplanation
Since chemistry is the study of matter and how it changes, chemists do exactly that.
Some of the other answers are true but are examples of what a chemists may do, not what he or she does overall.Rate this question:
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- 4.
What is a chemical?
- A.
A pure form of matter, also known as a substance.
- B.
A dangerous form of matter
- C.
A toxic form of matter
- D.
A chemical is a mixture of elements
Correct Answer
A. A pure form of matter, also known as a substance.Explanation
Chemists use a very broad definition of a chemical: it is a pure form of matter,also known as a substance. It does not have to be toxic or dangerous, although in common usage it may have that connotation. It can be a single element such as gold, or a combination of elements such an methane. However those atoms must be bonded together to form a single substance: a chemical is a pure form of matter, not a mixture.Rate this question:
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- 5.
Scientist use chemistry to provide ____________ answers to problems, which arguably provide the deepest answers to many problems.
- A.
Mathematical
- B.
Molecular
- C.
Subatomic
- D.
Long
Correct Answer
B. MolecularExplanation
A molecular answer to a problem is often full of useful information, since from that structure one can determine physcial and chemical answers, and with that foundation, biological or even psychological answers, for example, follow. A chemical structure is often the root answer to any matter-based topic.Rate this question:
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- 6.
What is a substance?
- A.
A single chemical or a mixture of chemicals
- B.
Two or more atoms bonded together
- C.
Any small sample which has been chemically investigated
- D.
A pure form of matter
Correct Answer
D. A pure form of matterExplanation
A substance is a pure form of matter.
It many be a single element or atom (in which case there are no bonds), it cannot be a mixture.Rate this question:
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- 7.
The study of how matter changes is the __________study of matter
- A.
Physical
- B.
Chemical
- C.
Biological
- D.
Toxicological
Correct Answer
B. ChemicalExplanation
Scientists define chemistry as the study of matter and how it changes to emphasive both the physical study of matter (not changing it's structure) as well as the chemical study of matter - converting it into other substances.
By changing matter we are not converting it into other elements or energy, we are simply rearranging the atoms we start with- this is chemical change. Converting one element such as hydrogen into another element such as helium (which liberates huge amounts of energy) is a nuclear process, not a chemical process.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 17, 2023Quiz Edited by
ProProfs Editorial Team -
Jun 23, 2014Quiz Created by
Harry Brielmann
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