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WAEC ChemistrySierra Leone

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Question 41

Which functional group is present in an alcohol?
Organic chemistryOrganic chemistryeasy

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Question 42

Which of the following best describes a polymer?
Polymer chemistryPolymer chemistrymedium

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Question 43

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

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Question 44

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

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Question 45

Which of the following best explains why metals are good conductors of electricity?
Structure and properties of matterStructure and properties of mattermedium

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Question 46

Which element has the highest electronegativity among the following?
PeriodicityPeriodicityeasy

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Question 47

If the rate of a chemical reaction doubles when the concentration of one reactant is doubled, what is the order of the reaction with respect to that reactant?
Rates of reactions (kinetics)Rates of reactionsmedium

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Question 48

In the equilibrium reaction: N2 + 3H2 ⇌ 2NH3, what happens to the position of equilibrium when the pressure is increased?
EquilibriumEquilibriummedium

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Question 49

Which of the following is a property of a strong acid?
Acids, bases, saltsAcids, bases, saltseasy

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Question 50

During a redox reaction, the substance that gains electrons is called the:
Redox reactionsRedox reactionsmedium

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