Chemistry Quiz: Chemical Reaction Trivia Questions
Chemistry Quiz: Chemical Reaction Trivia Questions. In this quiz, you will get to test out your pharmacology knowledge by seeing how well you understand the reactions one expects from a drug when it enters the body. If you think you know enough to tackle it, all you need to do is press the start button and answer the quiz as best as you can.
Questions and Answers
- 1.
What word means : the quality of condition of a substance that can be observed or measured without changing the composition of the substance
- A.
Physical property
- B.
Chemical property
- C.
Law of Conservation of Mass
Correct Answer
A. Physical propertyExplanation
A physical property refers to the quality or condition of a substance that can be observed or measured without altering or changing the composition of the substance. It includes characteristics such as color, density, melting point, boiling point, and conductivity. This term is used to describe the observable and measurable attributes of a substance that do not involve any chemical changes.Rate this question:
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- 2.
What word means: a change during which some properties of a material change, but the composition does not change
- A.
Chemical change
- B.
Product
- C.
Physical change
Correct Answer
C. Physical changeExplanation
A physical change refers to a transformation in the properties of a material without any alteration in its composition. This means that although the material may undergo a change in its physical state, shape, size, or appearance, the chemical composition remains the same. In contrast, a chemical change involves a modification in the chemical composition of the substance, resulting in the formation of new substances with different properties. Therefore, the term "physical change" accurately describes a change where only the physical characteristics of a material are altered.Rate this question:
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- 3.
The Law of Conservation of Mass is the law that states matter is destroyed or created in any physical change or chemical reaction.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
The explanation for the given correct answer is that the Law of Conservation of Mass states that matter is neither created nor destroyed in any physical change or chemical reaction. This means that the total mass of the substances involved in a reaction remains constant before and after the reaction. Therefore, the statement that matter is destroyed or created in any physical change or chemical reaction is incorrect.Rate this question:
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- 4.
A product is a substance _____________ in a chemical reaction.
Correct Answer
producedExplanation
A product is a substance that is formed or generated as a result of a chemical reaction. It is the outcome or end result of the reaction, indicating that it has been produced or created. In the context of chemical reactions, products are the new substances that are formed from the reactants involved in the reaction.Rate this question:
- 5.
Change that produces matter with a different composition than the original matter is:
- A.
Chemical change
- B.
Chemical reaction
- C.
Reactant
Correct Answer
B. Chemical reactionExplanation
A chemical reaction refers to a process where one or more substances undergo a transformation, resulting in the formation of new substances with different chemical compositions than the original matter. This change occurs due to the breaking and forming of chemical bonds between atoms, leading to the rearrangement of atoms to create new molecules or compounds. Therefore, a chemical reaction is the correct answer as it accurately describes the change that produces matter with a different composition than the original matter.Rate this question:
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- 6.
One or two letter representation of can element is:
- A.
Physical symbol
- B.
Chemical chain
- C.
Chemical symbol
Correct Answer
C. Chemical symbolExplanation
The correct answer is "chemical symbol" because a chemical symbol is a one or two letter representation of an element. It is a shorthand way to represent elements in the periodic table and is used to identify and differentiate between different elements.Rate this question:
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- 7.
A ________________ is a substance present at the start of a chemical reaction
Correct Answer
reactantExplanation
A reactant is a substance that is present at the beginning of a chemical reaction and undergoes a chemical change. It is the starting material that is consumed during the reaction to produce new substances called products. Reactants are typically written on the left side of a chemical equation, indicating their presence before the reaction takes place. They are essential for initiating and driving the reaction forward by providing the necessary atoms or molecules to form new bonds and create the desired products.Rate this question:
- 8.
____________ is a solid that forms and settles out of a liquid mixture
Correct Answer
precipitateExplanation
A precipitate is a solid that forms and settles out of a liquid mixture. This occurs when two or more substances in the liquid react chemically and produce an insoluble product. The insoluble product then separates from the liquid and settles at the bottom. This process is commonly observed in various chemical reactions, such as when two clear solutions are mixed and a cloudy or solid substance is formed. The formation of a precipitate is an indication of a chemical change taking place in the liquid mixture.Rate this question:
- 9.
A change in which one or more of the reactants change into or more products; characterized by the breaking of bonds in the reactants and the formation of bonds in the product is:
- A.
Chemical reaction
- B.
Product
- C.
Reactant
Correct Answer
A. Chemical reactionExplanation
A chemical reaction refers to a process where one or more reactants undergo a transformation to form one or more products. This transformation involves the breaking of bonds in the reactants and the formation of new bonds in the products. It is a fundamental concept in chemistry that describes the rearrangement of atoms and the conversion of substances into different substances.Rate this question:
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Current Version
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Mar 22, 2023Quiz Edited by
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Oct 06, 2010Quiz Created by
Notredame13
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