Search
Question: Which of the following compounds is a strong acid derived from hydrogen?Options: HClH2ONH3..
Question: What is the primary reason for the high electronegativity of hydrogen compared to alkali m..
Question: Which of the following is a reducing agent?Options: H2O2H2HClH2SO4Correct Answer: H2Soluti..
Question: Which of the following statements about hydrogen is true?Options: It is a metalIt has the ..
Question: What type of bond is formed between hydrogen and chlorine in HCl?Options: Ionic bondCovale..
Question: Which of the following compounds is a strong acid?Options: H2OH2SO4H2O2NH3Correct Answer: ..
Question: A 4 kg object is lifted to a height of 3 m. What is the increase in gravitational potentia..
Question: A 1 kg ball is thrown vertically upwards with a speed of 10 m/s. What is the maximum heigh..
Question: If a 3 kg object is moving with a speed of 4 m/s and comes to a stop, what is the work don..
Question: A 2 kg object is dropped from a height of 5 m. What is the potential energy at the height?..
Question: If a 5 kg object is lifted to a height of 10 m, what is the work done against gravity?Opti..
Question: Which of the following is NOT a unit of power?Options: HorsepowerKilowattJouleWattCorrect ..
Question: In an electric circuit, if the voltage is doubled while the resistance remains constant, w..
Question: A car engine does 3000 J of work in 5 seconds. What is the average power output of the eng..
Question: A 3 kg object is moving with a speed of 5 m/s. What is its kinetic energy?Options: 15 J25 ..
Question: A 10 kg object falls freely from a height of 20 m. What is its potential energy at the top..
Question: A roller coaster starts from rest at a height of 50 m. What is its speed at the lowest poi..
Question: A 5 kg object is lifted to a height of 3 m. What is the work done against gravity?Options:..
Question: A block of mass 2 kg is released from a height of 10 m. What is its speed just before it h..
Question: A cyclist does 300 J of work to climb a hill. If the height of the hill is 5 m, what is th..
Question: A 5 kg object is moving with a velocity of 3 m/s. What is its kinetic energy?Options: 22.5..
Question: If a 1000 W heater runs for 2 hours, how much energy does it consume?Options: 7200 J14400 ..
Question: A 2 kg object is dropped from a height of 10 m. What is its potential energy at the top?Op..
Question: If a force of 15 N is applied to move an object 4 m in the direction of the force, what is..
Question: A block of mass 2 kg is pushed along a horizontal surface with a force of 10 N. If the blo..
Question: What is the relationship between Joules and Newton-meters?Options: They are equalJoule is ..
Question: What is the dimensional formula for velocity?Options: MLT⁻¹ML²T⁻²M⁰L⁰T⁻¹M⁰L¹T⁻²Correct Ans..
Question: Which of the following quantities has the dimension of [M⁰L²T⁻²]?Options: EnergyForcePower..
Question: When dividing 6.022 x 10^23 by 2.0, how many significant figures should the answer have?Op..
Question: What is the correct way to express 0.000345 in scientific notation with significant figure..