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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 261

In an acid-base reaction, which species donates a proton (H⁺)?
Chemical changeAcid-base reactions - Brønsted–Lowry theoryhard

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Question 262

What is the acceleration of a 2 kg mass moving with a net force of 10 N acting on it?
MechanicsMechanics - Newton's Lawseasy

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Question 263

Which component in an electric circuit stores electrical energy?
Electricity and magnetismElectricity - Components and circuitseasy

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Question 264

Which of these reactions is an example of a chemical change?
Chemical changeChemical reactions - Types of changesmedium

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Question 265

What functional group characterizes alcohols?
Organic chemistryOrganic compounds - Functional groupseasy

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Question 266

A car moves at 20 m/s and comes to rest in 5 seconds with uniform deceleration. What is the magnitude of the acceleration?
MechanicsMechanics - Kinematicsmedium

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Question 267

Which law explains the force between two magnetic poles?
Electricity and magnetismMagnetism - Forces between poleshard

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Question 268

Which type of wave interference results in a decrease in wave amplitude?
Waves and opticsWaves - Interferencemedium

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Question 269

Which of these statements about covalent bonds is true?
Matter and materialsChemical bonding - Covalent bondinghard

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Question 270

A wave has a frequency of 500 Hz and a wavelength of 2 m. What is its speed?
Waves and opticsWaves - Wave propertiesmedium

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