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Question: What is the effect of increasing the concentration of reactants on the rate of reaction? (..
Question: Which of the following represents the ideal gas constant? (2022)Options: R = 0.0821 L·atm/..
Question: A cyclist does 300 J of work to climb a hill. If the cyclist\'s mass is 75 kg, what is the..
Question: A 10 kg object is dropped from a height of 20 m. What is its potential energy at the top? ..
Question: If a 5 kg object is moving with a velocity of 3 m/s, what is its kinetic energy? (2023)Opt..
Question: Which polymer is commonly used in the production of synthetic fibers? (2023)Options: Polye..
Question: What is the main product when 1-chloropropane is treated with alcoholic KOH? (2019)Options..
Question: What type of reaction occurs when 1-bromopropane reacts with sodium cyanide? (2023)Options..
Question: What is the role of phytoplankton in the environment? (2019)Options: Carbon dioxide produc..
Question: Which of the following is NOT a benefit of feature engineering?Options: Improved model acc..
Question: What is the phase difference between two particles in the same phase of oscillation? (2022..
Question: A wave travels through a medium with a speed of 500 m/s and has a wavelength of 5 m. What ..
Question: What is the maximum displacement of a simple harmonic oscillator called? (2022)Options: Am..
Question: What is the main role of dietary fiber in human health? (2021)Options: Increase cholestero..
Question: Which law relates the magnetic field around a conductor to the current flowing through it?..
Question: What is the boiling point trend among amines? (2020)Options: Amines have lower boiling poi..
Question: Which of the following statements is true regarding the boiling points of aldehydes and ke..
Question: Which of the following is an ether? (2023)Options: Ethyl alcoholDimethyl etherPhenolAcetic..
Question: What is the purpose of using a validation set?Options: To train the modelTo test the model..
Question: Which technique can help prevent overfitting?Options: Increasing the number of featuresUsi..
Question: What does overfitting refer to in machine learning?Options: A model that performs well on ..
Question: Which of the following compounds is an amphoteric oxide? (2022)Options: Na2OMgOAl2O3SiO2Co..
Question: In a parallel circuit with two resistors of 4Ω and 12Ω, what is the total current if the v..
Question: In an AC circuit, if the total current is 5A and the total voltage is 100V, what is the im..
Question: If the voltage across an inductor is 12V and the current is 2A, what is the inductive reac..
Question: What is the power factor of a circuit with a resistance of 6Ω and a reactance of 8Ω? (2022..
Question: In an RLC circuit, if the inductive reactance is 30Ω and capacitive reactance is 20Ω, what..
Question: What is the impedance of a circuit with a resistance of 4Ω and a reactance of 3Ω? (2020)Op..
Question: If the speed of light in a vacuum is approximately 3 x 10^8 m/s, what is the wavelength of..
Question: Which of the following is true about the law of conservation of energy?Options: Energy can..
