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Question: Which of the following is NOT a characteristic of a transaction in a DBMS?Options: Atomici..
Question: What is the main advantage of using indexes in a database?Options: To reduce data redundan..
Question: In the context of ER modeling, what does a \'weak entity\' represent?Options: An entity th..
Question: For the reaction 4HCl(g) ⇌ 2H2(g) + Cl2(g), what is the effect of adding HCl on the equili..
Question: In a reaction at equilibrium, if the concentration of products is decreased, what will hap..
Question: Which of the following statements is true regarding the equilibrium constant Kc?Options: K..
Question: What is the value of the equilibrium constant Kp for the reaction: N2(g) + 3H2(g) ⇌ 2NH3(g..
Question: In the reaction 2SO2(g) + O2(g) ⇌ 2SO3(g), what is the effect of increasing the pressure o..
Question: Which of the following changes will NOT affect the position of equilibrium?Options: Adding..
Question: For the reaction N2(g) + 3H2(g) ⇌ 2NH3(g), what happens to the equilibrium constant if the..
Question: If the concentration of reactants is increased in a system at equilibrium, what will happe..
Question: Which of the following is NOT a typical use case for a data warehouse?Options: Business in..
Question: What is a dimension table in a data warehouse?Options: A table that stores transactional d..
Question: What is the purpose of data normalization in a data warehouse?Options: To reduce data redu..
Question: Which of the following best describes ETL in the context of data warehousing?Options: Extr..
Question: In a star schema, what do the fact tables contain?Options: Dimension attributesAggregated ..
Question: What is the purpose of a database schema?Options: To store dataTo define the structure of ..
Question: What is the relationship between the Gibbs free energy change (ΔG) and the equilibrium con..
Question: In the reaction CO(g) + 2H2(g) ⇌ CH3OH(g), what will happen if H2 is removed from the syst..
Question: Which of the following statements is true about dynamic equilibrium?Options: The concentra..
Question: For the equilibrium 2A(g) ⇌ B(g) + C(g), if the volume of the container is decreased, what..
Question: What is the effect of temperature on the equilibrium constant for an exothermic reaction?O..
Question: In a reaction at equilibrium, if the concentration of reactants is increased, what will ha..
Question: Which of the following changes will NOT affect the position of equilibrium for the reactio..
Question: For the reaction N2(g) + 3H2(g) ⇌ 2NH3(g), what happens to the equilibrium position if the..
Question: What is the equilibrium constant expression for the reaction: aA + bB ⇌ cC + dD?Options: K..
Question: What is the primary reaction occurring in a lead-acid battery during discharge?Options: Pb..
Question: Which of the following is a characteristic of a fuel cell?Options: Produces heatConverts c..
Question: What is the role of a salt bridge in a galvanic cell?Options: To provide a pathway for ele..
Question: Which of the following statements is true about electrolytic cells?Options: They produce e..
