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Question: Which method is most effective for the qualitative analysis of anions in a mixture?Options..
Question: In qualitative analysis, what does a positive test for the presence of ammonium ions typic..
Question: Which of the following ions would produce a yellow precipitate when treated with silver ni..
Question: Which analytical technique is best suited for the qualitative analysis of metal ions in so..
Question: In a titration to determine the presence of chloride ions, which indicator is most suitabl..
Question: Which reagent is commonly used to confirm the presence of sulfate ions in a qualitative an..
Question: In a qualitative analysis using paper chromatography, which factor primarily affects the s..
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 top?Opt..
Question: Which of the following ions can be identified using a flame photometer?Options: CalciumIro..
Question: Which qualitative analysis technique is best for separating complex mixtures of organic co..
Question: In electrophoresis, what determines the direction of ion movement?Options: Molecular weigh..
Question: Which of the following techniques can be used to identify metal cations in a solution?Opti..
Question: What is the primary principle behind ion chromatography?Options: Size exclusionIon exchang..
Question: In flame tests, which color is produced by the presence of sodium ions?Options: GreenRedYe..
Question: A 1 kg mass is dropped from a height of 10 m. What is the speed just before it hits the gr..
Question: A roller coaster starts from rest at a height of 50 m. What is its speed at the lowest poi..
Question: A pendulum swings from a height of 5 m. What is the speed at the lowest point of the swing..
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 10 kg object is moving with a speed of 3 m/s. If it comes to a stop, how much work is do..
Question: A 3 kg object is moving with a velocity of 4 m/s. What is its momentum?Options: 6 kg·m/s12..
Question: A 2 kg object is dropped from a height of 20 m. What is its speed just before it hits the ..
Question: What is the relationship between the units of energy and work?Options: They are the sameEn..
Question: Which of the following quantities is measured in Joules?Options: WorkPowerEnergyBoth Work ..
Question: Which of the following quantities has the dimension of [M^0 L^0 T^0]?Options: MassTimeLeng..
Question: In the measurement 2500 kg, how many significant figures are there?Options: 2341Correct An..
Question: How should the number 0.0001234 be rounded to two significant figures?Options: 0.000120.00..
Question: Which of the following operations will yield a result with the least number of significant..
Question: What is the result of dividing 150.0 by 3.00, considering significant figures?Options: 50...
Question: If a measurement is recorded as 0.00780 m, how many significant figures does it have?Optio..
