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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 51

Which law explains why the pressure of a gas increases when its volume decreases at constant temperature?
Matter and materialsMatter - Gas lawshard

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Question 52

What is the acceleration of a 5 kg object if a force of 20 N is applied to it?
MechanicsMechanics - Forces and motioneasy

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Question 53

Which of these materials is a good conductor of electricity?
Electricity and magnetismElectricity - Conductors and insulatorseasy

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Question 54

What happens to the frequency of a wave when its wavelength increases while the speed remains constant?
Waves and opticsWaves - Wave propertiesmedium

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Question 55

In an electrochemical cell, what is the role of the salt bridge?
Chemical changeChemical change - Electrochemical cellsmedium

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Question 56

What is the functional group present in alcohols?
Organic chemistryOrganic chemistry - Functional groupseasy

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Question 57

A metal rod is heated and expands. Which property does this demonstrate?
Matter and materialsMatter - Thermal propertiesmedium

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Question 58

Which of the following describes the magnetic field lines around a bar magnet?
Electricity and magnetismMagnetism - Magnetic fieldsmedium

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Question 59

Calculate the work done when a force of 10 N moves an object 3 m in the direction of the force.
MechanicsMechanics - Work and energyeasy

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Question 60

Which of the following statements about catalysts is true?
Chemical changeChemical change - Catalystshard

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