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Question: Which gas is primarily responsible for the depletion of the ozone layer?Options: Carbon Di..
Question: What is the main consequence of acid rain?Options: Increased soil fertilityCorrosion of bu..
Question: Which of the following elements is not a transition metal?Options: Scandium (Sc)Zinc (Zn)T..
Question: Which transition metal is known for its ability to form complex ions with a variety of lig..
Question: What is the geometry of the complex [Ag(NH3)2]+?Options: LinearTetrahedralSquare PlanarOct..
Question: What type of hybridization occurs in the complex ion [Ni(CN)4]2-?Options: spsp2sp3dsp2Corr..
Question: What is the primary function of a chromatographic column?Options: To mix the sample with t..
Question: What is the main purpose of using a buffer in electrophoresis?Options: To increase the tem..
Question: What type of detector is commonly used in mass spectrometry?Options: UV detectorFluorescen..
Question: Which of the following is a common application of electrophoresis?Options: Determining pH ..
Question: A 4 kg object is pushed with a force of 20 N over a distance of 3 m. If the object starts ..
Question: If a 3 kg object is moving with a speed of 4 m/s, what is the total mechanical energy if i..
Question: In a hydraulic lift, if the input power is 500 W and the efficiency is 80%, what is the ou..
Question: If a person lifts a 50 kg object to a height of 2 meters in 5 seconds, what is the power e..
Question: A light bulb uses 60 W of power. How much energy does it consume in 5 hours?Options: 18000..
Question: A 2 kg object is moving with a speed of 3 m/s. What is its total mechanical energy?Options..
Question: A roller coaster at the top of a hill has a potential energy of 5000 J. If it descends to ..
Question: A 10 kg object falls from a height of 20 m. What is its potential energy at the top?Option..
Question: A ball is thrown vertically upwards with a speed of 30 m/s. What is the maximum height it ..
Question: A cyclist accelerates from rest to a speed of 10 m/s in 5 seconds. What is the average pow..
Question: A 2 kg object is dropped from a height of 20 m. What is its potential energy at the top? (..
Question: A ball is thrown vertically upwards with a speed of 15 m/s. What is the maximum height it ..
Question: If a machine does 2000 J of work in 5 seconds, what is its power output?Options: 200 W400 ..
Question: A block of mass 2 kg is pushed along a horizontal surface with a constant force of 10 N. W..
Question: What is the dimensional formula for acceleration?Options: [M^0 L^1 T^-2][M^0 L^0 T^-2][M^1..
Question: In the measurement 0.03040, how many significant figures are present?Options: 3452Correct ..
Question: When rounding the number 0.6789 to three significant figures, what is the result?Options: ..
Question: What is the result of dividing 6.38 by 2.0, considering significant figures?Options: 3.193..
Question: If a measurement is recorded as 1500 m, how many significant figures does it have?Options:..
Question: What is the correct way to express 0.000123 in scientific notation with significant figure..
