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Question: What is the main purpose of using fly ash as a supplementary cementitious material?Options..
Question: Which test is used to determine the compressive strength of concrete?Options: Flexural tes..
Question: What is the primary function of steel reinforcement in concrete?Options: To improve therma..
Question: Which admixture is commonly used to accelerate the setting time of concrete?Options: Retar..
Question: What does the term \'slump\' refer to in concrete testing?Options: The density of the conc..
Question: Which type of aggregate is preferred for high-strength concrete?Options: Coarse aggregateF..
Question: What is the significance of the water-cement ratio in concrete?Options: It affects the col..
Question: Which test is commonly used to determine the fineness of cement?Options: Blaine air permea..
Question: What is the primary purpose of conducting a sieve analysis on aggregates?Options: To deter..
Question: Which of the following is a characteristic of metallic bonding?Options: Electrons are shar..
Question: What is the oxidation state of sulfur in sulfuric acid (H2SO4)?Options: 0246Correct Answer..
Question: Which of the following ligands is a bidentate ligand?Options: Ammonia (NH3)Ethylenediamine..
Question: What is the primary product of the reaction between an acid and a base?Options: SaltWaterH..
Question: Which of the following metals is most commonly used in the extraction of aluminum?Options:..
Question: In a redox reaction, what happens to the substance that is oxidized?Options: It gains elec..
Question: What is the pH of a solution that is 0.01 M in hydrochloric acid (HCl)?Options: 1234Correc..
Question: Which type of bond is formed by the sharing of electron pairs between atoms?Options: Ionic..
Question: What is the coordination number of a metal in a complex with six ligands?Options: 2468Corr..
Question: Which of the following statements about the periodic table is true?Options: Elements in th..
Question: What is the effect of increasing the concentration of a reactant in a titration?Options: I..
Question: What type of biomolecule is an enzyme?Options: CarbohydrateLipidProteinNucleic acidCorrect..
Question: Which reaction mechanism is primarily involved in the nucleophilic substitution of alkyl h..
Question: What is the IUPAC name for the compound with the formula C3H6O?Options: PropanalPropan-2-o..
Question: Which of the following compounds would show optical isomerism?Options: 2-butanolButaneHexa..
Question: What is the main functional group present in acetic acid?Options: AlcoholAldehydeCarboxyli..
Question: What is the role of a buffer solution in titration?Options: To maintain a constant pHTo in..
Question: Which of the following indicators is most suitable for a strong acid-strong base titration..
Question: What is the primary purpose of a titration in organic chemistry?Options: To determine the ..
Question: What is the primary factor affecting the rate of a titration reaction?Options: Concentrati..
Question: Which of the following is a common method to determine the endpoint of a titration?Options..
