5. The alcohol present in beer, wine, whiskey, etc. is a) ethanol b) isopropanol

Question

5. The alcohol present in beer, wine, whiskey, etc. is a) ethanol b) isopropanol c) methanol d) propanol 6. Formaldehyde is used in a) dry cleaning b) embalming fluid c) insecticides d) refrigerators 7. Acetone is used as a(n) a) anaesthetic b) antifreeze c) embalming fluid d) nail polish remover 8. All of the following are true about butyric acid except it: a) is found in rancid (spoiled) butter c) is present in human vomit b) is an ester d) smells bad 9. W hich of the following is a representation of an amine? a) ROH b) RNH2 c) ROR RCOR 10. Amino acids are components of a) fats b) oils c) proteins d) starches 11. Which one of the following is milk sugar? a) glucose b) lactose c) starch d) sucrose 12. Cellulose is a) not digestible by humans c) is an ester made up of glycerol and fatty acids b) is a small sugar d) is a polymer of amino acids 13. Soaps are a) nonpolar c) polar b) ionic at one end and nonpolar at the other d) negative at one end and positive at the other

Explanation / Answer

Q5

ethanol, since it is the product of fermentation of sugars

Q6

formaldhyde is typically used in embalming fluid, such as preservation of dead animals

Q7

actone is used to --- >nail polish remover

Q8

butyric acid -->

rancid butter is true

human vomit --> true

ester -> FALSE, it is an acid

smells bad --> true

Q9

amine group must have Nitrogen bonded to it, so noly B is true

Q10

amino acids --> proteins are buided by peptides, which ar emade up by amino acids

Q11

milk sugar is lactose

Q12

cellullose cant be digested by humans, only by ruminoinds

Q13

soaprs have polar/nonpolar heads

therefore, D

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