Hardest Trivia Chemistry Practice Test!

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Janyce Wowk, BS (Chemistry) |
Chemistry
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Janyce Wowk is a chemistry professional with a B.S. in Chemistry from Montclair State University. Her experience as a research assistant and lab technician in a PFAS laboratory has allowed her to develop strong laboratory, data analysis, and research skills.
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  • 1/15 Questions

    Barbituric acid is used as:

    • An antipyretic
    • A tranquillizer
    • An analgesic
    • An antibiotic
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About This Quiz

Challenge yourself with the 'Hardest Trivia Chemistry Practice Test!' Explore key topics such as medicinal applications of chemicals, including antiseptics and tranquillizers. This quiz assesses your knowledge on chemical substances used in everyday health products and their pharmacological effects.

Hardest Trivia Chemistry Practice Test! - Quiz

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  • 2. 

    The class of drugs used for treatment of stress is:

    • Analgesics

    • Antiseptics

    • Antihistamines

    • Tranquillizers

    Correct Answer
    A. Tranquillizers
    Explanation
    Tranquillizers are a class of drugs commonly used to treat stress and anxiety. They work by affecting the chemicals in the brain that may become unbalanced during times of stress, helping to promote a sense of calm and relaxation. These medications can help to reduce symptoms such as restlessness, irritability, and difficulty sleeping that are often associated with stress. Therefore, tranquillizers are the correct class of drugs used for the treatment of stress.

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  • 3. 

    Dettol is a mixture of terpeneol and:

    • Chloroxylenol

    • P-chlorometaxylenol

    • Bromobenzene

    • Chlorobenzene

    Correct Answer
    A. Chloroxylenol
    Explanation
    Dettol is a mixture of terpeneol and chloroxylenol. Chloroxylenol is a chemical compound that is commonly used as an antiseptic and disinfectant. It has antimicrobial properties and is effective against a wide range of bacteria and viruses. When combined with terpeneol, which is a natural compound found in many essential oils, Dettol is able to provide effective cleaning and disinfection. Chloroxylenol helps to kill germs and prevent the spread of infections, making it an important ingredient in Dettol.

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  • 4. 

    Aspirin is:

    • Acetylsalicylic acid

    • Benzoyl salicylic acid

    • Chlorobenzoic acid

    • Anthranilic acid

    Correct Answer
    A. Acetylsalicylic acid
    Explanation
    Acetylsalicylic acid is the correct answer because it is the chemical name for aspirin. Aspirin is a commonly used medication that is used to relieve pain, reduce inflammation, and lower fever. It belongs to a class of drugs known as nonsteroidal anti-inflammatory drugs (NSAIDs). Acetylsalicylic acid works by inhibiting the production of certain chemicals in the body that cause pain and inflammation. It is a widely available and widely used over-the-counter medication.

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  • 5. 

    Aritificial sweetner is:

    • Saccharin

    • Altame

    • Sucralose

    • All of these

    Correct Answer
    A. All of these
    Explanation
    Artificial sweeteners are sugar substitutes that are used to provide sweetness to food and beverages without adding calories. Saccharin, Altame, and Sucralose are all examples of artificial sweeteners. Therefore, the correct answer is "All of these" as all three options mentioned in the question are types of artificial sweeteners.

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  • 6. 

    The role of phosphate in detergent powder is to:

    • Control pH level of the detergent water mixture

    • Remove Ca2+ and Mg2+ ions from the water that cause the hardness of water

    • Provide whiteness to the fabric

    • Form solid detergents a phosphateless detergents are liquid in nature

    Correct Answer
    A. Remove Ca2+ and Mg2+ ions from the water that cause the hardness of water
    Explanation
    Phosphate in detergent powder acts as a water softener by removing Ca2+ and Mg2+ ions from the water. These ions are responsible for making water hard, which can lead to various issues such as soap scum, reduced lathering, and decreased cleaning efficiency. By removing these ions, phosphate helps to prevent these problems and allows the detergent to work more effectively in cleaning fabrics.

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  • 7. 

    The oxidant which is used as an antiseptic is:

    • KBrO3

    • KMnO4

    • CrO3

    • KNO3

    Correct Answer
    A. KMnO4
    Explanation
    KMnO4 is used as an antiseptic because it has strong oxidizing properties. It can react with organic compounds and kill bacteria, fungi, and viruses. KMnO4 is commonly used as a disinfectant for wounds and as a cleaning agent for surfaces. It is able to kill microorganisms by oxidizing their cell membranes and disrupting their cellular processes. Additionally, KMnO4 has a purple color, which makes it easy to identify and track its application.

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  • 8. 

    Salts of sorbic acid and propionic acid are used as:

    • Antioxidants

    • Falvouring agents

    • Food preservatives

    • Nutritional supplements

    Correct Answer
    A. Food preservatives
    Explanation
    Sorbic acid and propionic acid salts are commonly used as food preservatives. These salts help to prevent the growth of bacteria, molds, and yeasts in food, thereby extending its shelf life. By inhibiting the growth of these microorganisms, food preservatives help to maintain the quality and safety of food products.

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  • 9. 

    Tincture iodine is:

    • Alcoholic solution of I2

    • Solution of I2 in aqueous KI

    • Aqueous solution of I2

    • Aqueous solution of KI

    Correct Answer
    A. Alcoholic solution of I2
    Explanation
    Tincture iodine is an alcoholic solution of I2. This means that iodine (I2) is dissolved in alcohol, typically ethanol. This solution is commonly used as an antiseptic to disinfect wounds and prevent infection. The alcohol helps to dissolve the iodine and allows for easy application to the affected area.

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  • 10. 

    2-Acetoxy benzoic acid is used as:

    • Analgesic

    • Antipyretic

    • Antibiotic

    • Both analgesic and antipyretic

    Correct Answer
    A. Both analgesic and antipyretic
    Explanation
    2-Acetoxy benzoic acid is used as both an analgesic and antipyretic. Analgesics are substances that relieve pain, while antipyretics are substances that reduce fever. Therefore, 2-Acetoxy benzoic acid can be used to alleviate pain and reduce fever, making it useful for both purposes.

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  • 11. 

    The artificial sweetener containing chlorine that has the appearance and taste as that of sugar and is stable at cooking temperature is:

    • Aspartame

    • Saccharin

    • Sucrolose

    • Alitame

    Correct Answer
    A. Sucrolose
    Explanation
    Sucralose is the correct answer because it is an artificial sweetener that contains chlorine, has the appearance and taste similar to sugar, and is stable at cooking temperature. Aspartame and saccharin are other artificial sweeteners, but they do not contain chlorine. Alitame is not mentioned in the question and therefore cannot be the correct answer.

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  • 12. 

    The carbonyl functional group (―COOH) is present in:

    • Picric acid

    • Barbituric acid

    • Ascorbic acid

    • Aspirin

    Correct Answer
    A. Aspirin
    Explanation
    Aspirin contains the carbonyl functional group (―COOH) in its structure. The presence of this functional group allows aspirin to act as an analgesic, anti-inflammatory, and antipyretic drug. It is used to relieve pain, reduce inflammation, and lower fever. Aspirin's carbonyl group plays a crucial role in its mechanism of action by inhibiting the production of prostaglandins, which are involved in pain and inflammation pathways.

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  • 13. 

    The organic detergent that is used in hair conditioners is:

    • Sodium dodecylbenzene sulphonate

    • Cetyltrimethylammonium bromide

    • Tetramethylammonium chloride

    • Sodium stearyl sulphate

    Correct Answer
    A. Cetyltrimethylammonium bromide
    Explanation
    Cetyltrimethylammonium bromide is the organic detergent used in hair conditioners. This compound is a quaternary ammonium salt with a long hydrophobic tail and a positively charged head. It acts as a surfactant, helping to remove dirt and oil from the hair while also providing conditioning properties. Cetyltrimethylammonium bromide is commonly used in hair care products due to its ability to improve manageability, reduce frizz, and enhance shine.

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  • 14. 

    An ester used as medicine is:

    • Ethyl acetate

    • Methyl acetate

    • Phenyl salicylate

    • Ethyl benzoate

    Correct Answer
    A. Phenyl salicylate
    Explanation
    Phenyl salicylate is an ester that is commonly used in medicine. It is often used as an ingredient in topical analgesics and skin care products due to its anti-inflammatory and pain-relieving properties. Additionally, phenyl salicylate is also used as a fragrance ingredient in various cosmetic and personal care products. Its ester structure allows it to be easily absorbed into the skin, making it an effective ingredient for topical applications.

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  • 15. 

    Which of the following can disperse benzene in water?

    Correct Answer
    A.
    Explanation
    Benzene is a nonpolar compound, meaning it does not readily dissolve in water, which is a polar solvent. However, certain substances called surfactants can disperse benzene in water by reducing the surface tension between the two substances. Surfactants have both hydrophilic (water-loving) and hydrophobic (water-repelling) properties, allowing them to create micelles or emulsions that can solubilize benzene in water to some extent. Therefore, the correct answer would be a surfactant or an emulsifying agent.

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Janyce Wowk |BS (Chemistry) |
Chemistry
Janyce Wowk is a chemistry professional with a B.S. in Chemistry from Montclair State University. Her experience as a research assistant and lab technician in a PFAS laboratory has allowed her to develop strong laboratory, data analysis, and research skills.

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  • Jul 16, 2024
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  • Jan 30, 2014
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