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Question: What is the shape of the s orbital? (2021) 2021Options: SphericalDumbbellDouble dumbbellLi..
Question: What is the principal quantum number for the outermost electron in sodium (Na)? (2022) 202..
Question: Which of the following particles has the least mass? (2020) 2020Options: ProtonNeutronElec..
Question: What is the maximum number of electrons that can occupy the n=3 shell? (2021) 2021Options:..
Question: Which amine is used in the preparation of dyes?Options: AnilineMethylamineDimethylamineEth..
Question: What is the main product when an amine reacts with an acyl chloride?Options: AmideEsterAlc..
Question: What is the molecular formula of butan-2-one?Options: C4H8OC4H10OC4H6OC4H12OCorrect Answer..
Question: Which of the following is a secondary alcohol? (2021) 2021Options: 1-Pentanol2-PentanolCyc..
Question: What is the boiling point trend among alcohols? (2020) 2020Options: Decreases with molecul..
Question: Which of the following is a characteristic reaction of phenols? (2021) 2021Options: Esteri..
Question: What is the functional group of phenols? (2019) 2019Options: -OH-COOH-CHO-NH2Correct Answe..
Question: Which reagent is used to convert an alcohol to an alkyl halide? (2023) 2023Options: PCl5Na..
Question: Which of the following is a primary alcohol? (2020) 2020Options: 2-Propanol1-ButanolCycloh..
Question: What is the IUPAC name of CH3CH2OH? (2021) 2021Options: EthanolMethanolPropanolButanolCorr..
Question: What is the formula for calculating the number of moles? (2023) 2023Options: Mass/VolumeMa..
Question: What is the main product of the combustion of hydrocarbons? (2023) 2023Options: OxygenWate..
Question: Which element has the highest electronegativity? (2023) 2023Options: FluorineOxygenChlorin..
Question: What is the oxidation state of sulfur in H2SO4? (2023) 2023Options: +2+4+60Correct Answer:..
Question: Which of the following is a strong acid? (2023) 2023Options: Acetic acidCitric acidHydroch..
Question: What is the chemical formula for sodium chloride? (2023) 2023Options: NaClNa2ClNaCl2Na2Cl2..
Question: Which gas is produced when an acid reacts with a metal? (2023) 2023Options: OxygenHydrogen..
Question: What is the pH of a neutral solution at 25°C? (2023) 2023Options: 07141Correct Answer: 7Ex..
Question: What is the molar mass of water (H2O)? (2023) 2023Options: 16 g/mol18 g/mol20 g/mol22 g/mo..
Question: Calculate the value of 6^2 - 4^2. (2023) 2023Options: 20222418Correct Answer: 20Exam Year:..
Question: What is the value of 8 × (2 + 3)? (2023) 2023Options: 40503020Correct Answer: 40Exam Year:..
Question: What is the value of 100 ÷ 4 + 6? (2023) 2023Options: 25302826Correct Answer: 28Exam Year:..
Question: Find the value of 9 × 9 - 5 × 5. (2023) 2023Options: 56705080Correct Answer: 56Exam Year: ..
Question: What is the result of (15 + 5) × 2? (2023) 2023Options: 30402025Correct Answer: 30Exam Yea..
Question: Calculate the value of 12 × 3 - 4 × 2. (2023) 2023Options: 28323430Correct Answer: 28Exam ..
Question: What is the value of 7^2 + 3^2? (2023) 2023Options: 58497370Correct Answer: 58Exam Year: 2..