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Chemistry > Deck 7 (121 - 140) > Flashcards

Deck 7 (121 - 140) Flashcards

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1
Q
  1. Maltose is:

a. monosaccharide
b. oligosaccharide
c. polysaccharide
d. protein

A

b. oligosaccharide

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2
Q
  1. A horizontal row of elements on the Periodic Table is known as a(n)
A

period or series

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3
Q
  1. Which of these compounds is a base?

a. LiOH
b. BaCl2
c. KI
d. KNO3

A

a. LiOH

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4
Q
  1. What organic compound do brain cells primarily rely on for fuel?
A

glucose

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5
Q
  1. Select the correct name for NH3:

a. ammonium
b. ammonium hydroxide
c. pneumonia
d. ammonia

A

d. ammonia

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6
Q
  1. Which of the following names is a functional group that is a part of a building block of proteins?

a. phosphate
b. adenine
c. amino
d. ribose

A

c. amino

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7
Q
  1. Which of the following is a pure compound?

a. sea water
b. glucose
c. steel
d. air

A

b. glucose

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8
Q
  1. A pentose sugar is a part of a monomer used to build one of the following macromolecules?

a. polysaccharides
b. nucleic acids
c. phosphorylated glucose
d. glycogen

A

b. nucleic acids

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9
Q
  1. What is the total number of molecules that is represented by the following chemical equation?

NH4NO2 -> N2 + 2 H2O

a. 3
b. 4
c. 8
d. 16

A

b. 4

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10
Q
  1. Give the name to:

H3C-CO-Cl

A

ethanoyl chloride

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11
Q
  1. A phospholipid:

a. has both polar and non polar regions
b. is made up of a triacylglycerol bonded to a phosphate group
c. is a building block of ATP
d. can donate both cations and anions in solution

A

a. has both polar and non polar regions

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12
Q
  1. How many protons and electrons, respectively, are in Ca2+ (Z = 20) ?
A

20, 18

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13
Q
  1. In DNA, bonds between nucleotides form a compound with a characteristic shape known as a(n) ..
A

double helix

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14
Q
  1. Which of the solutions is the most basic?

a. pH = 12.0
b. pOH = 12.0
c. pH = 3.0
d. pOH = 3.0

A

a. pH = 12.0

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15
Q
  1. The conversion of ethanol to ethanoic acid is an example of ?
A

oxidation

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16
Q
  1. What is the approximate mass of 1.50 mol of ammonia ?
    Mm(NH3) = 17 g.mol-1

a. 10.0 grams
b. 15.0 grams
c. 17.0 grams
d. 25.5 grams

A

d. 25.5 grams

17
Q
  1. Give the name to:

HOOC-CH2-COOH

A

malonic acid

18
Q
  1. What is the formula for the ion formed when oxygen atom 8O obtains a noble gas configuration?
A

O2-

19
Q
  1. Which compound is not in the same homologous series as ethane?

a. methane
b. ethene
c. propane
d. pentane

A

ethene

20
Q
  1. In a solution of salt and water, the solute is ——?
A

salt

Chemistry (25 decks)

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