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WAEC Chemistry – Nigeria

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Question 21

What type of bond is formed when electrons are shared equally between two atoms?
Chemical bondingChemical Bondingeasy

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Question 22

Which property would increase as the strength of intermolecular forces increases?
Structure and properties of matterStructure and Properties of Mattermedium

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Question 23

Which element has the highest first ionization energy in period 3 of the periodic table?
PeriodicityPeriodicitymedium

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Question 24

If the concentration of reactants is doubled in a first order reaction, what happens to the rate?
Rates of reactions (kinetics)Rates of Reactioneasy

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Question 25

In a chemical equilibrium, what happens when the concentration of a reactant is increased?
EquilibriumChemical Equilibriummedium

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Question 26

In an electrochemical cell, electrons flow from the __________ to the __________.
ElectrochemistryElectrochemistrymedium

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Question 27

Which functional group is present in all alcohols?
Organic chemistryFunctional Groupseasy

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Question 28

In polymer chemistry, what type of polymerization involves the repeated addition of monomers without the loss of any small molecules?
Polymer chemistryPolymer Chemistryhard

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Question 29

Which quantum number describes the shape of an atomic orbital?
Atomic structure and quantum numbersAtomic structure and quantum numberseasy

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Question 30

Which property is characteristic of metals due to their structure?
Structure and properties of matterStructure and properties of mattereasy

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