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Question: Which of the following compounds is formed by an s-block element?Options: NaClCO2H2ONH3Cor..
Question: Which of the following p-block elements is essential for life?Options: ArsenicPhosphorusBi..
Question: Which of the following is a property of halogens?Options: Good conductors of electricityDi..
Question: What is the primary oxidation state of sulfur in sulfuric acid (H2SO4)?Options: +4+60-2Cor..
Question: Which p-block element is known for its ability to form multiple allotropes?Options: Carbon..
Question: Which of the following elements is not a metalloid?Options: SiliconBoronGermaniumAluminumC..
Question: Which of the following is a characteristic of hydrogen gas?Options: It is colorlessIt is h..
Question: Which isotope of hydrogen is the most abundant?Options: DeuteriumTritiumProtiumHydrogen-3C..
Question: In the presence of sulfuric acid, what is the product of the electrophilic substitution of..
Question: Which of the following compounds will undergo electrophilic substitution the fastest?Optio..
Question: Which position on a disubstituted benzene ring will a new substituent most likely attach i..
Question: Which of the following compounds is a stronger electrophile in electrophilic aromatic subs..
Question: In the nitration of toluene, which product is formed predominantly?Options: Nitrotoluene (..
Question: What is the primary cause of ocean acidification?Options: Plastic pollutionIncreased CO2 a..
Question: Which of the following pollutants is a major contributor to smog?Options: Carbon monoxideS..
Question: What is the effect of deforestation on carbon dioxide levels?Options: Decreases CO2 levels..
Question: Which chemical is commonly used to treat drinking water?Options: ChlorineFluorideSodium bi..
Question: Which of the following transition metals is known for forming complex ions?Options: Scandi..
Question: Which of the following is not a property of f-block elements?Options: RadioactivityHigh de..
Question: What is the electron configuration of Chromium (Cr)?Options: [Ar] 4s2 3d4[Ar] 4s1 3d5[Ar] ..
Question: Which of the following pairs of elements are both f-block elements?Options: Ce and LaU and..
Question: What is the hybridization of the central metal ion in the complex [Cu(NH3)4]2+?Options: sp..
Question: Which of the following statements is true about the complex [Fe(CN)6]3-?Options: It is par..
Question: Which of the following is a characteristic of noble gases?Options: High reactivityLow ioni..
Question: Which of the following is not a property of ionic compounds?Options: High melting pointEle..
Question: What is the geometry of [Ag(NH3)2]+?Options: LinearTetrahedralOctahedralSquare planarCorre..
Question: Which of the following compounds is a strong field ligand?Options: H2ONH3CN-Cl-Correct Ans..
Question: What is the area of a circle with radius r?Options: πr^22πrπrr^2Correct Answer: πr^2Soluti..
Question: If a triangle has sides of lengths 3, 4, and 5, what type of triangle is it?Options: Acute..
Question: What is the derivative of sin(x)?Options: cos(x)-cos(x)sin(x)-sin(x)Correct Answer: cos(x)..
