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The Consumer's Good Chemical Guide by John Emsley
  • 1. Which chemical is often associated with food preservatives?
A) Vinegar
B) Table salt
C) Sodium benzoate
D) Baking soda
  • 2. What kind of chemical is commonly found in personal care products for moisturizing?
A) Acetic acid
B) Silicone oil
C) Sodium chloride
D) Glycerin
  • 3. Which chemical is often criticized for potential health effects in food packaging?
A) Polyethylene
B) Teflon
C) Bisphenol A (BPA)
D) PVC
  • 4. What does pH measure?
A) Temperature of a substance
B) Density of liquids
C) Concentration of ions
D) Acidity or basicity of a solution
  • 5. Which chemical is often used as a flavor enhancer?
A) Vinegar
B) Sugar
C) Salt
D) Monosodium glutamate (MSG)
  • 6. What does 'GRAS' stand for in food labeling?
A) Good Resource for Agriculture Standards
B) Generally Recognized As Safe
C) Guidelines for Research in Agriculture
D) Genuine Regulations on Additives
  • 7. What type of chemical is ethanol?
A) Fat
B) Alcohol
C) Protein
D) Carbohydrate
  • 8. What chemical is often used in meat curing?
A) Sodium nitrite
B) Vinegar
C) Lactic acid
D) Dextrose
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