Related InterviewSolutions

• For car battery which one is correct statement ? (A) Cathode is Lead dioxide (PbO2) and anode is Lead (Pb) (B) Cathode is Lead dioxide (PbO2) and anode is Copper (Cu) (C) Cathode is Copper (Cu) and anode is Lead dioxide (PbO2) (D) Cathode is Copper (Cu) and anode is Lead (Pb)
• CH3MgI will give methane with (A) C2H5OH (B) CH3–CH2–NH2(C) both of these (A and B) (D) None of these
• Lowering of vapour pressure is highest for (a) 0.1 M BaCl2 (b) 0.1 M glucose (c) 0.1 M MgSO4 (d) urea
• The IUPAC name of the compound CH3–CH(CH3)–CO–CH3 is (A) 3-methyl-2-butanone (B) 2-methyl-3-butanone (C) Isopropyl methyl ketone (D) 2ethyl-2methyl pentane
• Zn converts from its melted state to its solid state, it has hcp structure, then the number of nearest atoms will be (A) 6 (B) 8 (C) 12 (D) 4
• The number of solutions of the system of equations 2x + y - z = 7, x - 3y + 2z = 1 and x + 4y - 3z = 5 is(a) 0 (b) 1(c) 2 (d) 3
• The point on the line 4x + 3y = 5, which is equidistant from (1, 2) and (3, 4), is(a) (7,-4) (b) (-10,15)(c) (1/7, 8/7)(d) (0, 5/4)
• If the point (α, α) lies between the lines  |2x  + y| = 5 then select one of the most appropriate option:(A)  |α| < 5/2(B)  |α| < 5/3(C)  |α| < 7/2(D)  |α| < 11/3 
• SO2 is considered as airpollutant because (A) its concentration increases with temperature increase of atmosphere. (B) It is used as insecticide which is airpollutant (C) It reacts with O2 and H2O to produce acid rain
• At Critical Micell Concentration (CMC), the surfactant molecules: (A) decompose (B) dissociate (C) associate (D) become completely soluble