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Question: Which of the following elements is a noble gas?Options: HeliumHydrogenOxygenNitrogenCorrec..
Question: What is the atomic number of the element with the symbol \'Na\'?Options: 11121314Correct A..
Question: What is the primary oxidation state of chlorine in sodium chloride (NaCl)?Options: -10+1+2..
Question: What is the IUPAC name for the compound CH3OCH2CH3?Options: Ethyl methyl etherMethyl ethyl..
Question: Which functional group characterizes phenols?Options: AldehydeKetoneHydroxylCarboxylCorrec..
Question: What is the major product of the dehydration of 2-butanol?Options: ButeneButyneButanolButa..
Question: What type of reaction occurs when an alcohol reacts with a carboxylic acid?Options: Esteri..
Question: Which of the following is a phenol?Options: C6H5OHC2H5OHC3H7OHC4H9OHCorrect Answer: C6H5OH..
Question: What is the IUPAC name of CH3CH2OH?Options: EthanolMethanolPropanolButanolCorrect Answer: ..
Question: Which isotope of hydrogen is known as deuterium?Options: H-1H-2H-3H-4Correct Answer: H-2So..
Question: What is the main product of the reaction between hydrogen and oxygen?Options: OzoneWaterHy..
Question: What is the oxidation state of hydrogen in most of its compounds?Options: -10+1+2Correct A..
Question: Which of the following is a hydrogen compound?Options: H2OCO2NaClO2Correct Answer: H2OSolu..
Question: What is the pH of a neutral solution of hydrogen ions?Options: 07141Correct Answer: 7Solut..
Question: What is the primary use of hydrogen in the industry?Options: FertilizersFuel cellsPlastics..
Question: Which of the following is a property of hydrogen?Options: It is a metalIt is a non-metalIt..
Question: What is the molecular formula of hydrogen peroxide?Options: H2OH2O2H2O2Correct Answer: H2O..
Question: Which gas is primarily responsible for the greenhouse effect?Options: OxygenNitrogenCarbon..
Question: What is the term for the process of converting waste materials into reusable materials?Opt..
Question: Which chemical compound is primarily responsible for ozone depletion?Options: CFCsCO2SO2NO..
Question: What is the main source of nitrogen oxides in the atmosphere?Options: Volcanic eruptionsVe..
Question: What is the primary reason for the color of transition metal compounds?Options: Presence o..
Question: Which transition metal is known for forming complex ions?Options: CalciumCopperSodiumMagne..
Question: Which of the following is a property of lanthanides?Options: High densityLow melting point..
Question: Which of the following elements has the highest atomic number?Options: GoldPlatinumUranium..
Question: What is the maximum oxidation state exhibited by manganese?Options: +2+4+6+7Correct Answer..
Question: Which f-block element is known for its use in nuclear reactors?Options: ThoriumCeriumNeody..
Question: Which of the following is not a f-block element?Options: UraniumPlutoniumZirconiumNeptuniu..
Question: Which of the following is a characteristic property of d-block elements?Options: High elec..
Question: What is the common oxidation state of transition metals in their compounds?Options: +1+2+3..
