Chemistry In Focus
6th Edition
ISBN: 9781305084476
Author: Tro, Nivaldo J., Neu, Don.
Publisher: Cengage Learning
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Textbook Question
Chapter 15, Problem 30E
How do sunscreens protect your skin from the Sun’s rays? What does SPF indicate?
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7. Statement 1: All food additives are carcinogenic.
Statement 2: Food additives must be avoided as much as possible.
A. True, False
B. True, True
C. False, False
D. False, True
8. How do thickeners improve a food product?
A. They prevent spoilage due to oxygenation
B. They increase the viscosity of a product
C. They preserve the flavor of a product
D. They keep food from drying out.
_9. It makes the food thicker by keeping oil and water mixed together.
A. Emulsifiers
C. Humectants
B. Flavor Enhancer
D. Antioxidants
Which of the following is true about heavy metals and their environmental impact?
a. Coffee and tea waste could be viable options to rid water of heavy metals.
b. Based on the study shown in class, coffee is definitively the best option to rid heavy metals from water.
c. Coffee, tea and caffeine all remove heavy metals from contaminated water through absorption.
d. Copper is the most prevalent metal found in drinking water that can cause harm to the environment and humans.
e. Copper and zinc concentrations in drinking water are significantly higher in areas with human activity.
Choose your answer on the words/terms written inside the box.
Note: answers may repeat
Preservatives
Nitrites
Food additives
Chemical Preservatives
Benzoic acid
Sweeteners
Sorbates
salt
Sodium nitrites
Natural Preservatives
Benzoates
1. Substance that improves the quality and safety of food.
2. Chemical that is added to food or beverages to prevent
microbial growth or to avoid spoilage.
3. These act by killing bacteria and other microorganisms
present in foods especially in acidic conditions.
4. Type of food preservatives that kills disease causing
bacteria.
_5. An antimicrobial agent preservative that inhibits the
growth of molds, yeast and bacteria in food.
_6. A traditional and natural preservative.
7.
Two main types of preservatives.
8
9. Responsible for the pink color of hot dogs and hams
10. These preservatives are used in salad dressings and
pickles.
11. Any substance added to food to increase the shelf value
of food for storage.
12. Preservatives used in baked goods, canned…
Chapter 15 Solutions
Chemistry In Focus
Ch. 15 - Prob. 15.1YTCh. 15 - Prob. 1SCCh. 15 - Prob. 2SCCh. 15 - Prob. 3SCCh. 15 - Prob. 1ECh. 15 - Prob. 2ECh. 15 - Prob. 3ECh. 15 - Prob. 4ECh. 15 - Prob. 5ECh. 15 - Prob. 6E
Ch. 15 - Prob. 7ECh. 15 - Prob. 8ECh. 15 - Prob. 9ECh. 15 - Prob. 10ECh. 15 - Prob. 11ECh. 15 - Prob. 12ECh. 15 - Prob. 13ECh. 15 - Define eutrophication.Ch. 15 - Prob. 15ECh. 15 - Prob. 16ECh. 15 - Prob. 17ECh. 15 - Prob. 18ECh. 15 - Prob. 19ECh. 15 - What are the three types of interactions that...Ch. 15 - Prob. 21ECh. 15 - Prob. 22ECh. 15 - Prob. 23ECh. 15 - Prob. 24ECh. 15 - Prob. 25ECh. 15 - Prob. 26ECh. 15 - Prob. 27ECh. 15 - Prob. 28ECh. 15 - Prob. 29ECh. 15 - How do sunscreens protect your skin from the Suns...Ch. 15 - Prob. 31ECh. 15 - Prob. 32ECh. 15 - Prob. 33ECh. 15 - Prob. 34ECh. 15 - Prob. 35ECh. 15 - Prob. 36ECh. 15 - Prob. 37ECh. 15 - Prob. 38ECh. 15 - Prob. 39ECh. 15 - Prob. 40ECh. 15 - Prob. 41ECh. 15 - Prob. 42ECh. 15 - Prob. 43ECh. 15 - Prob. 44ECh. 15 - Prob. 45ECh. 15 - Prob. 46ECh. 15 - The salt bridges that hold hair protein (keratin)...Ch. 15 - Prob. 48ECh. 15 - The hydrochloric acid present in toilet bowl...Ch. 15 - Prob. 50ECh. 15 - Prob. 51ECh. 15 - Prob. 52ECh. 15 - Prob. 53ECh. 15 - Prob. 54ECh. 15 - Prob. 55ECh. 15 - Prob. 56ECh. 15 - Prob. 57ECh. 15 - Prob. 58ECh. 15 - Prob. 59ECh. 15 - Prob. 60ECh. 15 - Prob. 61ECh. 15 - Prob. 62ECh. 15 - Prob. 64ECh. 15 - Prob. 65E
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