A Admin • 832.27K Points Coach Q. The shape of BF₃ molecule is: (A) Linear (B) Bent (C) Trigonal planar (D) Tetrahedral
A Admin • 832.27K Points Coach Q. Which of the following is an amphoteric oxide? (A) Na₂O (B) CO₂ (C) Al₂O₃ (D) MgO
A Admin • 832.27K Points Coach Q. Which of the following is a primary alcohol? (A) CH₃CH₂OH (B) (CH₃)₂CHOH (C) (CH₃)₃COH (D) C₆H₅OH
A Admin • 832.27K Points Coach Q. The oxidation number of phosphorus in H₃PO₄ is: (A) +3 (B) +4 (C) +5 (D) +6
A Admin • 832.27K Points Coach Q. Which of the following is the lightest element? (A) Helium (B) Hydrogen (C) Lithium (D) Carbon
A Admin • 832.27K Points Coach Q. Which of the following compounds contains an ester functional group? (A) CH₃COOH (B) CH₃COOCH₃ (C) CH₃CHO (D) CH₃OH
A Admin • 832.27K Points Coach Q. The number of moles present in 18 g of water is: (A) 0.5 (B) 1 (C) 2 (D) 3
A Admin • 832.27K Points Coach Q. Which law states that equal volumes of all gases at the same temperature and pressure contain equal numbers of molecules? (A) Boyle's Law (B) Charles's Law (C) Avogadro's Law (D) Graham's Law
A Admin • 832.27K Points Coach Q. Which of the following has the highest boiling point? (A) H₂O (B) H₂S (C) HCl (D) NH₃
A Admin • 832.27K Points Coach Q. The oxidation state of oxygen in OF₂ is: (A) -2 (B) -1 (C) +1 (D) +2