Questions & Answers
Browse all 18 questions from the
Advanced Chemistry Fundamentals study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the common name for the phenomenon where certain solid compounds sublime at standard temperature and pressure, transitioning directly from solid to gas without passing through a liquid phase?
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A
Decomposition
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B
Sublimation
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C
Vaporization
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D
Deposition
2
Which of the following elements is a metalloid and is known for its semiconductor properties, commonly used in transistors?
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A
Gallium
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B
Germanium
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C
Indium
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D
Arsenic
3
The Haber-Bosch process is a critical industrial method for synthesizing which essential compound?
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A
Sulfuric Acid
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B
Ammonia
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C
Methanol
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D
Nitric Acid
4
What is the approximate atomic mass of a single atom of Carbon-12 in atomic mass units (amu)?
5
Which type of chemical bonding involves the sharing of electron pairs between atoms?
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A
Ionic bonding
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B
Metallic bonding
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C
Covalent bonding
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D
Hydrogen bonding
6
The term 'enantiomers' in organic chemistry refers to stereoisomers that are:
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A
Identical
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B
Superimposable mirror images
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C
Non-superimposable mirror images
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D
Geometric isomers
7
Which of the following is a strong oxidizing agent commonly used in laboratory settings and industrial processes?
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A
Sodium Chloride
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B
Hydrogen Peroxide
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C
Potassium Permanganate
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D
Sodium Hydroxide
8
What is the SI unit of luminous intensity?
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A
Lux
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B
Candela
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C
Lumen
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D
Watt
9
The rate-determining step in a multi-step chemical reaction is the step that:
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A
Is the fastest
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B
Is the slowest
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C
Has the highest activation energy
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D
Produces the most product
10
Which element has the highest electronegativity on the Pauling scale?
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A
Oxygen
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B
Chlorine
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C
Fluorine
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D
Nitrogen
11
What is the common name for the functional group -COOH?
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A
Aldehyde
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B
Ketone
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C
Carboxylic acid
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D
Ester
12
The phenomenon where certain metal ions can form stable complexes with organic molecules containing donor atoms like nitrogen or oxygen is central to the function of:
-
A
Electrolysis
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B
Chelation
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C
Polymerization
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D
Catalysis
13
Which noble gas is the most abundant in Earth's atmosphere by volume?
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A
Helium
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B
Neon
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C
Argon
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D
Krypton
14
What is the approximate value of the gas constant (R) in units of J/(mol·K)?
-
A
8.314
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B
0.0821
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C
6.022 x 10^23
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D
1.602 x 10^-19
15
The process by which a solute is uniformly distributed throughout a solvent is known as:
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A
Precipitation
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B
Evaporation
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C
Dissolution
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D
Filtration
16
What is the molecular formula of glucose?
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A
C5H10O5
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B
C6H12O6
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C
C12H22O11
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D
C6H6
17
Which of the following is a characteristic property of a strong electrolyte?
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A
Low conductivity in solution
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B
Little or no ionization in solution
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C
Complete ionization in solution
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D
Does not dissociate into ions
18
The IUPAC name for the compound CH3COCH3 is:
-
A
Ethanol
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B
Propanal
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C
Acetone
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D
Propanone
