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JAMB Chemistry Practice

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Question 1

What is the maximum number of electrons that can occupy the p-orbital in an atom?

Atomic structure and quantum numbersAtomic structure and quantum numberseasy

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Question 2

Which element has the electronic configuration [Ne] 3s2 3p4?

Atomic structure and quantum numbersAtomic structure and quantum numbersmedium

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Question 3

Which quantum number determines the shape of an atomic orbital?

Atomic structure and quantum numbersAtomic structure and quantum numberseasy

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Question 4

Which of the following elements has the highest first ionization energy?

Periodic table and periodicityPeriodic table and periodicitymedium

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Question 5

In the periodic table, which group contains elements that have similar chemical properties due to having the same number of valence electrons?

Periodic table and periodicityPeriodic table and periodicityeasy

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Question 6

Which type of bonding involves the transfer of electrons from one atom to another?

Chemical bonding: ionic, covalent, metallicChemical bonding: ionic, covalent, metalliceasy

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Question 7

Which of the following molecules exhibits a polar covalent bond?

Chemical bonding: ionic, covalent, metallicChemical bonding: ionic, covalent, metallicmedium

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Question 8

Which metallic property explains why metals are good conductors of electricity?

Chemical bonding: ionic, covalent, metallicChemical bonding: ionic, covalent, metallicmedium

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Question 9

Which intermolecular force is responsible for the unusually high boiling point of water?

Intermolecular forcesIntermolecular forceseasy

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Question 10

Which state of matter has a definite volume but no definite shape?

States of matter and kinetic theoryStates of matter and kinetic theoryeasy

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Question 11

According to kinetic molecular theory, which of the following is true about gas particles?

States of matter and kinetic theoryStates of matter and kinetic theorymedium

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Question 12

In a chemical reaction, increasing the temperature generally causes the rate to...

Chemical kinetics and reaction mechanismsChemical kinetics and reaction mechanismseasy

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Question 13

The slowest step in a multi-step reaction mechanism is called the...

Chemical kinetics and reaction mechanismsChemical kinetics and reaction mechanismsmedium

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Question 14

What is the effect of adding a catalyst to a chemical reaction?

Chemical kinetics and reaction mechanismsChemical kinetics and reaction mechanismseasy

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Question 15

In a reversible reaction at equilibrium, which statement is true?

Chemical equilibriumChemical equilibriumeasy

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Question 16

Le Chatelier's principle states that if a system at equilibrium is disturbed, it will...

Chemical equilibriumChemical equilibriummedium

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Question 17

Which of the following is a characteristic of a strong acid?

Acids, bases, and pHAcids, bases, and pHeasy

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Question 18

What is the pH of a neutral solution at 25°C?

Acids, bases, and pHAcids, bases, and pHeasy

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Question 19

Which salt is formed from the neutralization of hydrochloric acid and sodium hydroxide?

Salts and hydrolysisSalts and hydrolysiseasy

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Question 20

What happens during hydrolysis of a salt formed from a strong acid and weak base?

Salts and hydrolysisSalts and hydrolysismedium

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Question 21

In a redox reaction, oxidation refers to...

Redox reactions and electrochemistryRedox reactions and electrochemistryeasy

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Question 22

Which species is the oxidizing agent in the reaction: 2Fe2+ + Cl2 → 2Fe3+ + 2Cl-?

Redox reactions and electrochemistryRedox reactions and electrochemistrymedium

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Question 23

During electrolysis, the cathode is where...

ElectrolysisElectrolysiseasy

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Question 24

Which product is formed at the anode during the electrolysis of molten sodium chloride?

ElectrolysisElectrolysismedium

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Question 25

In stoichiometry, the mole ratio is used to...

Stoichiometry and calculationsStoichiometry and calculationseasy

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Question 26

What volume will 2 moles of an ideal gas occupy at standard temperature and pressure (STP)?

Gas lawsGas lawseasy

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Question 27

Which gas law states that at constant temperature, the volume of a gas is inversely proportional to its pressure?

Gas lawsGas lawsmedium

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Question 28

Which of the following is a characteristic of alkanes?

Organic chemistry: alkanesOrganic chemistry: alkaneseasy

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Question 29

Which reagent is commonly used to test for the presence of alkenes?

Organic chemistry: alkenesOrganic chemistry: alkenesmedium

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Question 30

What is the functional group present in alcohols?

Organic chemistry: alcoholsOrganic chemistry: alcoholseasy

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Question 31

Carboxylic acids are characterized by which functional group?

Organic chemistry: carboxylic acidsOrganic chemistry: carboxylic acidseasy

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Question 32

Which process is used to produce polymers from monomers?

Polymers and macromoleculesPolymers and macromoleculeseasy

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Question 33

Which polymer is formed by addition polymerization of ethene monomers?

Polymers and macromoleculesPolymers and macromoleculesmedium

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Question 34

In metallic bonding, the electrons are described as...

Chemical bonding: ionic, covalent, metallicChemical bonding: ionic, covalent, metallicmedium

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Question 35

Which of the following best describes an ionic compound?

Chemical bonding: ionic, covalent, metallicChemical bonding: ionic, covalent, metallicmedium

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Question 36

Which of the following gases would deviate most from ideal behavior at high pressure and low temperature?

Gas lawsGas lawshard

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Question 37

What is the oxidation state of sulfur in SO4^2- ion?

Redox reactions and electrochemistryRedox reactions and electrochemistryhard

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Question 38

Which of the following statements correctly describes the kinetic molecular theory of gases?

States of matter and kinetic theoryStates of matter and kinetic theorymedium

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Question 39

Which of the following compounds is an example of a carboxylic acid?

Organic chemistry: carboxylic acidsOrganic chemistry: carboxylic acidseasy

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