Laboratory Midterm Exam
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Laboratory Midterm Exam

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Questions and Answers

Rank the sweetness of the sugar given (1) Least sweet to (10) Sweetest. (1)

  • Inulin (Polysaccharide) (correct)
  • Glycogen (Polysaccharide)
  • Gum Arabic (Polysaccharide)
  • Starch (Polysaccharide)

    • Rank the sweetness of the sugar given. (2)

  • Lactose (Disaccharide) (correct)
  • Maltose (Disaccharide)
  • Sucrose (Disaccharide)
  • Glycogen (Polysaccharide)

    • Rank the sweetness of the sugar given. (3)

  • Inulin (Polysaccharide)
  • Gum Arabic (Polysaccharide)
  • Starch (Polysaccharide) (correct)
  • Glycogen (Polysaccharide)

    • Rank the sweetness of the sugar given. (4)

    <p>Gum Arabic (Polysaccharide)</p> Signup and view all the answers

    Rank the sweetness of the sugar given. (5)

    <p>Galactose (Monosaccharide)</p> Signup and view all the answers

    Rank the sweetness of the sugar given. (6)

    <p>Maltose (Disaccharide)</p> Signup and view all the answers

    Rank the sweetness of the sugar given. (7)

    <p>Glucose (Monosaccharide)</p> Signup and view all the answers

    Rank the sweetness of the sugar given. (8)

    <p>Mannose (Monosaccharide)</p> Signup and view all the answers

    Rank the sweetness of the sugar given. (9)

    <p>Sucrose (Disaccharide)</p> Signup and view all the answers

    Rank the sweetness of the sugar given. (10)

    <p>Fructose (Monosaccharide)</p> Signup and view all the answers

    Rank the sweetness of the sugars from sweetest to tasteless. (Use commas ex. Apple, Banana, Grapes, etc.)

    <p>Fructose, Sucrose, Mannose, Glucose, Maltose, Galactose, Gum Arabic, Starch, Lactose, Inulin.</p> Signup and view all the answers

    Rank the sweetness of the sugars from tasteless to sweetest. (Use commas ex. Apple, Banana, Grapes, etc.)

    <p>Inulin, Lactose, Starch, Gum Arabic, Galactose, Maltose, Glucose, Mannose, Sucrose, Fructose.</p> Signup and view all the answers

    What laboratory equipment is this? A. Filter Paper B. Watch Glass C. Test Tube Brush D. Test Tube Holder (Write the letter and the answer) (Example: A. Apple)

    <p>D. Test tube holder</p> Signup and view all the answers

    What is the function of this laboratory equipment? A. Holds test tubes securely. B. Covers beakers and evaporating liquids. C. Cleans test tubes. D. Separates solids from liquids.

    <p>A. Holds test tubes securely.</p> Signup and view all the answers

    What laboratory equipment is this? A. Filter Paper B. Watch Glass C. Test Tube Brush D. Test Tube Holder (Write the letter and the answer) (Example: A. Apple)

    <p>C. Test Tube Brush</p> Signup and view all the answers

    What is the function of this laboratory equipment? A. Holds test tubes securely. B. Covers beakers and evaporating liquids. C. Cleans test tubes. D. Separates solids from liquids.

    <p>C. Cleans test tubes.</p> Signup and view all the answers

    What laboratory equipment is this? A. Filter Paper B. Watch Glass C. Test Tube Brush D. Test Tube Holder (Write the letter and the answer) (Example: A. Apple)

    <p>A. Filter Paper</p> Signup and view all the answers

    What is the function of this laboratory equipment? A. Holds test tubes securely. B. Covers beakers and evaporating liquids. C. Cleans test tubes. D. Separates solids from liquids.

    <p>D. Separates solids from liquids.</p> Signup and view all the answers

    What laboratory equipment is this? A. Filter Paper B. Watch Glass C. Test Tube Brush D. Test Tube Holder (Write the letter and the answer) (Example: A. Apple)

    <p>B. Watch Glass</p> Signup and view all the answers

    What is the function of this laboratory equipment? A. Holds test tubes securely. B. Covers beakers and evaporating liquids. C. Cleans test tubes. D. Separates solids from liquids.

    <p>B. Covers beakers and evaporating liquids.</p> Signup and view all the answers

    What laboratory equipment is this? A. Acid Burette B. Spot Plate C. Stirring Rod D. Funnel (Write the letter and the answer) (Example: A. Apple)

    <p>B. Spot Plate</p> Signup and view all the answers

    What is the function of this laboratory equipment? A. Mixes liquids or solids and liquids. B. Accurately measures and dispenses liquids. C. Transfers liquids or powders from one vessel to another. D. Tests chemical reactions in small amounts.

    <p>D. Tests chemical reactions in small amounts.</p> Signup and view all the answers

    What laboratory equipment is this? A. Acid Burette B. Spot Plate C. Stirring Rod D. Funnel (Write the letter and the answer) (Example: A. Apple)

    <p>D. Funnel</p> Signup and view all the answers

    What is the function of this laboratory equipment? A. Mixes liquids or solids and liquids. B. Accurately measures and dispenses liquids. C. Transfers liquids or powders from one vessel to another. D. Tests chemical reactions in small amounts.

    <p>C. Transfers liquids or powders from one vessel to another.</p> Signup and view all the answers

    What laboratory equipment is this? A. Acid Burette B. Spot Plate C. Stirring Rod D. Funnel (Write the letter and the answer) (Example: A. Apple)

    <p>A. Acid Burette</p> Signup and view all the answers

    What is the function of this laboratory equipment? A. Mixes liquids or solids and liquids. B. Accurately measures and dispenses liquids. C. Transfers liquids or powders from one vessel to another. D. Tests chemical reactions in small amounts.

    <p>B. Accurately measures and dispenses liquids.</p> Signup and view all the answers

    What laboratory equipment is this? A. Acid Burette B. Spot Plate C. Stirring Rod D. Funnel (Write the letter and the answer) (Example: A. Apple)

    <p>C. Stirring Rod</p> Signup and view all the answers

    What is the function of this laboratory equipment? A. Mixing liquids, or solids and liquids. B. Accurately measures and dispenses liquids. C. Transfers liquids or powders from one vessel to another. D. Tests chemical reactions in small amounts.

    <p>A. Mixing liquids, or solid and liquids</p> Signup and view all the answers

    Study Notes

    Sugar Sweetness Ranking

    • The sweetness of a sugar is relative to the sweetness of sucrose, which is assigned a sweetness value of 1.0.
    • Fructose is the sweetest natural sugar, with a sweetness value of 1.7.
    • Glucose has a sweetness value of 0.7, meaning it is less sweet than sucrose.
    • Lactose, the sugar found in milk, has a sweetness value of 0.16, making it much less sweet than sucrose.
    • Maltose, a sugar found in grains, has a sweetness value of 0.45, meaning it is less sweet than sucrose.
    • Sucralose, an artificial sweetener, has a sweetness value of 600, meaning it is 600 times sweeter than sucrose.
    • Aspartame, another artificial sweetener, has a sweetness value of 200, making it 200 times sweeter than sucrose.
    • Saccharin, a non-nutritive sweetener, has a sweetness value of 300, meaning it is 300 times sweeter than sucrose.
    • Stevia, a naturally occurring sweetener, has a sweetness value of 250, making it 250 times sweeter than sucrose.
    • Acesulfame K, an artificial sweetener, has a sweetness value of 200, meaning it is 200 times sweeter than sucrose.

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