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Question: Which ion is indicated by a blue precipitate when treated with sodium hydroxide?Options: C..
Question: What is the principle behind using UV-Vis spectroscopy for qualitative analysis?Options: I..
Question: Which of the following is a common method for detecting cations in a solution?Options: Spe..
Question: What is the role of a reagent in a qualitative analysis?Options: To increase the temperatu..
Question: In flame tests, which color indicates the presence of sodium ions?Options: GreenRedYellowB..
Question: Which technique is commonly used for the qualitative analysis of anions?Options: Gas Chrom..
Question: What is the primary purpose of qualitative analysis in analytical chemistry?Options: To de..
Question: What is the effect of a catalyst on the equilibrium position of a reversible reaction?Opti..
Question: In a reaction mechanism, the slowest step is known as the:Options: Rate-determining stepIn..
Question: What is the shape of the molecule with the formula AX4?Options: TetrahedralSquare planarTr..
Question: Which of the following statements is correct regarding the molecular orbital theory?Option..
Question: What is the shape of the molecular orbital in the highest occupied molecular orbital (HOMO..
Question: In which of the following compounds is the bond order equal to 1?Options: N2O2H2Cl2Correct..
Question: Which of the following has the highest electronegativity?Options: FluorineOxygenNitrogenCh..
Question: What is the shape of the ammonia (NH3) molecule?Options: LinearTrigonal planarTetrahedralT..
Question: What type of hybridization occurs in ethylene (C2H4)?Options: spsp2sp3sp3dCorrect Answer: ..
Question: How many moles of KCl are produced when 2 moles of K react with 2 moles of Cl2?Options: 1 ..
Question: What is the empirical formula of a compound containing 40% carbon, 6.7% hydrogen, and 53.3..
Question: In the reaction 2H2 + O2 → 2H2O, how many moles of O2 are required to completely react wit..
Question: How many grams of NaOH are needed to prepare 0.5 moles of NaOH solution?Options: 20 g40 g1..
Question: What is the mass of 3 moles of sulfuric acid (H2SO4)?Options: 98 g196 g294 g392 gCorrect A..
Question: How many moles are in 500 mL of a 2 M NaCl solution?Options: 0.5124Correct Answer: 1Soluti..
Question: How many moles are in 88 grams of O2?Options: 1234Correct Answer: 2Solution: Molar mass of..
Question: If 3 moles of a gas occupy 60 liters, what is the volume occupied by 1 mole of the gas at ..
Question: Which of the following is not a state of matter?Options: SolidLiquidGasPlasmaCorrect Answe..
Question: If the principal quantum number n = 4 and the azimuthal quantum number l = 2, what is the ..
Question: What is the electronic configuration of the element with atomic number 15?Options: [Ne] 3s..
Question: Which of the following elements has the electronic configuration [Xe] 6s2 4f14 5d10?Option..
Question: Which modern analytical instrument combines UV-Vis and fluorescence detection?Options: Mas..
Question: What type of information can be obtained from the fingerprint region of an IR spectrum?Opt..
