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Question: What is the effect of increasing temperature on a reaction with ΔH > 0 and ΔS < 0?Options:..
Question: What is the effect of increasing temperature on the entropy of a substance?Options: Entrop..
Question: Which of the following processes is spontaneous at constant temperature and pressure?Optio..
Question: The entropy of a perfect crystal at absolute zero is:Options: MaximumMinimumUndefinedInfin..
Question: Which of the following has the highest entropy at room temperature?Options: Solid NaClLiqu..
Question: What is the entropy change when 1 mole of ice at 0°C is converted to water at 0°C?Options:..
Question: What is the standard entropy change (ΔS°) for the reaction: 2H2(g) + O2(g) → 2H2O(g)?Optio..
Question: What is the relationship between ΔG, ΔH, and ΔS at constant temperature?Options: ΔG = ΔH +..
Question: Which of the following reactions has a positive ΔH and a positive ΔS?Options: Combustion o..
Question: What is the effect of increasing temperature on the entropy of a system?Options: Increases..
Question: In a reversible process, the change in Gibbs free energy (ΔG) is:Options: Always positiveA..
Question: What is the significance of the BET theory in surface chemistry?Options: Describes physiso..
Question: Which of the following is NOT a method to increase the rate of adsorption?Options: Increas..
Question: What is the main difference between physisorption and chemisorption?Options: Temperature d..
Question: Which of the following factors does NOT affect the rate of diffusion of a gas?Options: Mol..
Question: Which gas law relates the volume and temperature of a gas at constant pressure?Options: Bo..
Question: According to Boyle\'s law, if the volume of a gas is doubled at constant temperature, what..
Question: Which qualitative analysis technique is most effective for detecting trace metals in a sam..
Question: In electrophoresis, what factor primarily influences the migration speed of ions?Options: ..
Question: What is the primary principle behind the use of thin-layer chromatography (TLC) for qualit..
Question: Which of the following ions can be detected using flame photometry?Options: SodiumCalciumP..
Question: What is the main advantage of using UV-Vis spectroscopy for qualitative analysis?Options: ..
Question: In mass spectrometry, what does the term \'m/z\' represent?Options: Mass to charge ratioMo..
Question: Which technique is best suited for the separation of charged biomolecules based on their s..
Question: What is the role of a buffer in a titration involving a weak acid and a strong base?Option..
Question: In infrared spectroscopy, which functional group would show a strong absorption around 170..
Question: What is the primary purpose of using ion chromatography in qualitative analysis?Options: T..
Question: Which of the following is a characteristic of solids?Options: They can flowThey have a def..
Question: What is the effect of increasing temperature on the pressure of a gas at constant volume?O..
Question: Which of the following is a limitation of Raoult\'s Law?Options: It applies to all solutio..