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Question: Which of the following best describes the particles in a gas? (2015)Options: Tightly packe..
Question: Which state of matter has a definite shape and volume? (2017)Options: SolidLiquidGasPlasma..
Question: What happens to the volume of a gas when its temperature increases at constant pressure? (..
Question: In which state of matter do particles move freely and are far apart? (2021)Options: SolidL..
Question: Which of the following states of matter has the highest kinetic energy? (2022)Options: Sol..
Question: What is the primary difference between solids and liquids in terms of particle arrangement..
Question: What is the mass of solute in grams required to make 1 L of a 0.5 M NaOH solution? (2021)O..
Question: How many liters of a 3 M solution can be made from 6 moles of solute? (2023)Options: 1 L2 ..
Question: What is the molality of a solution made by dissolving 10 moles of solute in 5 kg of solven..
Question: If 15 g of sugar is dissolved in 300 mL of water, what is the concentration in g/mL? (2020..
Question: What is the percentage concentration of a solution containing 20 g of solute in 200 g of s..
Question: How many grams of KCl are needed to prepare 250 mL of a 2 M solution? (2023)Options: 37.25..
Question: In the reaction 3H2 + N2 → 2NH3, which element is reduced? (2022)Options: H2N2NH3NoneCorre..
Question: Which of the following reactions involves a redox process? (2019)Options: H2 + Cl2 → 2HClN..
Question: In the redox reaction 2Ag+ + Zn → 2Ag + Zn2+, which species is oxidized? (2021)Options: Ag..
Question: Identify the oxidizing agent in the reaction: 2H2 + O2 → 2H2O. (2023)Options: H2O2H2ONone ..
Question: Which of the following is a reducing agent in the reaction 2MnO4- + 5C2O4^2- + 16H+ → 2Mn^..
Question: Which of the following is a common use of PVC?Options: ClothingPipesFood packagingAdhesive..
Question: What is the main characteristic of elastomers?Options: BrittleElasticRigidTransparentCorre..
Question: What is the valency of Magnesium? (2015)Options: 1230Correct Answer: 2Solution: Magnesium ..
Question: What is the period number of Sodium in the periodic table? (2017)Options: 1234Correct Answ..
Question: What is the atomic mass of Oxygen approximately? (2019)Options: 16 u18 u14 u12 uCorrect An..
Question: What is the group number of Halogens in the periodic table? (2021)Options: 16171815Correct..
Question: Which element has the atomic number 11? (2022)Options: SodiumMagnesiumPotassiumCalciumCorr..
Question: Which element is known for its ability to form a stable +3 oxidation state? (2022)Options:..
Question: Which of the following is the most acidic among the following oxides? (2019)Options: SO2P2..
Question: What is the primary reason for the high electronegativity of halogens? (2020)Options: Larg..
Question: Which of the following compounds contains a double bond? (2023)Options: H2OCO2NH3CH4Correc..
Question: What is the maximum oxidation state of phosphorus in its compounds? (2021)Options: +3+5+7+..
Question: What is the number of moles in 500 mL of a 2 M NaCl solution? (2023)Options: 10.520.25Corr..
