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NSC Physical Sciences AI Practice

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Note: Diagram-based questions are coming soon. WAEC Biology Paper includes ~5 diagram questions.

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Question 21

Which of the following is a characteristic of an alkene?
Organic chemistryOrganic Chemistry - Hydrocarbonseasy

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Question 22

What is the resistance of a wire of length 2 m, cross-sectional area 1 mm² and resistivity 1.7 × 10⁻⁸ Ω·m?
Electricity and magnetismElectricity - Resistance and resistivitymedium

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Question 23

Which law states that the total pressure of a mixture of gases is equal to the sum of the partial pressures of the individual gases?
Matter and materialsMatter - Gas lawsmedium

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Question 24

Which of the following reactions is an example of a redox reaction?
Chemical changeChemical Change - Redox reactionshard

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Question 25

What is the acceleration of an object with a mass of 5 kg when a net force of 20 N is applied to it?
MechanicsMechanics - Newton's laws of motioneasy

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Question 26

Which component in a circuit opposes the flow of electric current?
Electricity and magnetismElectricity - Components and their functionseasy

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Question 27

What type of wave is sound?
Waves and opticsWaves - Types of waveseasy

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Question 28

What is the primary reason metals conduct electricity?
Matter and materialsMatter - Electrical conductivity of metalsmedium

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Question 29

During a chemical reaction, what is the term for a substance that speeds up the reaction without being consumed?
Chemical changeChemical change - Catalysts and reaction ratesmedium

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Question 30

Which functional group is characteristic of an alcohol?
Organic chemistryOrganic chemistry - Functional groupseasy

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