Q. When he did not come home, she_________him lying dead on the roadside somewhere. (A) concluded (B) looked (C) notice (D) pictured Ans: pictured Solution: When he did not come home, she pictured him lying dead on the roadside somewhere. "pictured" is the most appropriate ...

Q. Five different books (P, Q, R, S, T) are to be arranged on a shelf. The books R and S are to be arranged first and second, respectively from the right side of the shelf. The number of different orders in which P, Q and T may be arranged is . (A) 2 (B) 6 (C) 12 (D) 120 Ans: 6 ...

Q. It would take one machine 4 hours to complete a production order and another machine 2 hours to complete the same order. If both machines work simultaneously at their respective constant rates, the time taken to complete the same order is_______________hours. (A) 2/3 (B) 3/4 (C) 4/3 ...

Q. The boat arrived_______________dawn. (A) in (B) at (C) on (D) under Ans: at Solution: The correct sentence is: "The boat arrived at dawn." In this context, "at" is the appropriate preposition to indicate the specific time when the boat arrived.

Q. The strategies that the company_______to sell its products________house-to-house marketing. (A) use, includes (B) uses, include (C) used, includes (D) uses, including Ans: uses, include Solution: "The strategies that the company uses to sell its products include ...

Q. The normal boiling point of a compound (X) is 350 K (heat of vaporization, ∆vapH, = 30 kJ mol–1). The pressure required to boil ‘X’ at 300 K is ____Torr. (Round off to two decimal places) (Ignore the temperature variation of ∆vapH; Gas constant R = 8.31 J mol–1 K–1 and 1 atm = 760 Torr) ...

Q. Consider the following two parallel irreversible first order reactions at temperature T, where 𝑘1and 𝑘2 are the rate constants and their values are 5 × 10–2 and 15 × 10–2 min–1, respectively, at temperature T. If the initial concentration of the reactant ‘P’ is 4 mol L–1, then the ...

Q. The specific rotation of optically pure (R)-2-bromobutane is –112.00. A given sample of  2-bromobutane exhibited a specific rotation of –82.88. The percentage of (S)-(+)-enantiomer present in this sample is Ans: The specific rotation of optically pure (R)-2-bromobutane is –112.00. A given ...

Q. The number of possible optically active isomer(s) for the following complex is en = ethylenediamine Ans: 2 Solution: Optical Isomers are a set of two compounds with different spatial arrangements and the same no of atoms and molecules.

Q. A complex is composed of one chromium ion, three bromides and six water molecules. Upon addition of excess AgNO3, 1.0 g aqueous solution of the complex gave 0.94 g of AgBr. The molecular formula of the complex is (Atomic weight:  Cr = 52, Br = 80, Ag = 108, O = 16 and H = 1) (A) Br3 ...