Which of the following is an acid? a) NaOH b) HCl c) NaCl d) MgSO_4 Table sugar

Question

Which of the following is an acid? a) NaOH b) HCl c) NaCl d) MgSO_4 Table sugar (sucrose), obtained from sugar cane, is a member of the following chemical group: a) proteins b) lipids c) carbohydrates d) fatty acids The function group of alcohol is _____. a) -CHO b) -COOH c) -OH d) -NH2 DNA and RNA are _____. a) proteins b) carbohydrate c) lipids d) nucleic acids The end products of the digestion of carbohydrates are _____. a) monosaccharides b) disaccharides c) glycerol Functional groups on organic molecules determine _____. a) reactivity b) in vivo stability c) in vitro stability d) solubility

Explanation / Answer

Question 1

Answer b) Hcl

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

====================

A) NAOH-------------IT IS A BASE,

NAOH reacts with protic acids AND forms water and salts.

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

=======

c) Nacl-------------IT IS A salt

formed by the reaction of HCl and NaOH

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

===================================

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

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

b) lipids

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

d)fatty acids

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

Question 1

Answer b) Hcl

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

====================

A) NAOH-------------IT IS A BASE,

NAOH reacts with protic acids AND forms water and salts.

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

=======

c) Nacl-------------IT IS A salt

formed by the reaction of HCl and NaOH

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

===================================

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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