Which of the following is an acid

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1. Which of the following is an acid? a) NaOH b) HCI c) NaCI d) MgSO 2. Table sugar (sucrose), obtained from sugar cane, is a member of the following chemical group: a) proteins b) lipids c) carbohydrates d) fatty acids 3. The function group of alcohol is a) -CHO b) -COOhH c) -OH d) -NH2 4. DNA and RNA are a) proteins b) carbohydrate c) lipids d) nucleic acids 5. The end products of the digestion of carbohydrates are a) monosaccharides b) disaccharides c) glycerol 6. Functional groups on organic molecules determine- a) reactivity b) in vivo stability c) in vitro stability d) solubility -. 18

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Answer

Question 1

Answer b) Hcl

it reacts with an organic base it forms a hydrochloride
salt.

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A) NAOH————-IT IS A BASE,

NAOH reacts with protic acids AND forms water and salts.

Hence option A———-is not the correct answer

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c) Nacl————-IT IS A salt

formed by the reaction of HCl and NaOH

Hence option c———-is not the correct answer

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d) MgSO4.——— s an inorganic salt

Magnesium sulfate is an inorganic salt

Hence option d———-is not the correct answer

Question 2 Answer c) carbohydrate

Sucrose is a common carbohydrate.

a) proteins

  1. they are biomolecules, or macromolecules,.
  2. they consisting of one or more long chains of amino acid
    residues
  3. the amino acids in a polypeptide chain are linked by peptide
    bonds.

Hence option a———-is not the correct answer

b) lipids

  1. They are biomolecules, or macromolecules,.

Hence option b———-is not the correct answer

d)fatty acids

  1. They are biomolecules, or macromolecules,.

Hence option d———-is not the correct answer

Question 3 Answer c)-OH

A) CHO-ALDEHYDE GROUP

B) COOH——-ACID

D)NH2—–AMINO

Hence option A,B,D———-ARE not the correct answer

Question 4 Answer D NUCLEIC ACIDS
Question 5 THE END PRODUCTS OF THE DIGESTION OF CARBOHYDRATES ARE

Answer A monosaccharides


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