List of practice Questions

Wheat belongs to this order
What will be the molar conductivity of $AL^{3+}$ ions at infinite dilution if molar conductivity of $Al_2(SO_4)_3$ is $858\, S \,cm^2 \,mol^{-1}$ and ionic conductance of $SO^{2-}_4$ is $160\, S\, cm^2\, mol^{-1}$ at infinite dilution?
what will be the energy loss per hour in the iron core of a transform if the area of its hysteresis loop is equivalent to $2500erg/cm^3$ . The frequency of alternating current is 50 Hz. The mass of core is 10 Kg and the density, of iron is $7.5gm/cm^3$
What will be the melting point of $KCl$ if enthalpy change for the reaction is $7.25\, J\, mol^{-1}$ and entropy change is $0.007\, J \,K^{-1}\, mol^{-1}$ ?
What will be the acceleration due to gravity at a depth d where g is acceleration due to gravity on the surface of earth?
What will be the emf of the following concentration cell at $25^{\circ}C$? $Ag_{\left(s\right)}\left|AgNO_{3}\left(0.01\,M\right)\right|\left|AgNO_{3}\left(0.05\,M\right)\right|Ag_{\left(s\right)}$
What type of stoichiometric defect is shown by $ZnS$?
What volume in litres will be occupied by $4.4 \,g$ of $C0_2$ at $STP$?
What products are expected from the disproportionation reaction of hypochlorous acid?
What type of crystal defect is indicated in the diagram below ? $ { Na^{+} Cl^{-} Na^{+} Cl^{-} Na^{+} Cl^{-}}$ $ {Cl^{-} \Box \, Cl^{-} Na^{+} \Box Na^{+}}$ $ {Na^{+} Cl^{-} \Box Cl^{-} Na^{+} Cl^{-}}$ $ {Cl^{-} Na^{+} Cl^{-} Na^{+} \Box Na^{+}}$
What type of hybridisation takes place in the N atom of $NH_3$ ?
What is true of natural methods of contraception?
What is wrong about the following pair of compounds $[Cr(H_2O)6]CI_3$ and $[Cr(H_2O)_5CI]CI_2.H_2O$
What kind of isomerism exists between $[Cr(H_{2}O)_{6}]Cl_{3}$ (violet) and $[Cr(H_{2}O )_{5}Cl]Cl_{2}\cdot H_{2}O$ (greyish-green)?
What is true for "lactational amenorrhea"? (i) It means absence of menstruation. (ii) Ovulation does not occur during the lactational period. (iii) Chances of conception are almost nil upto six months following parturition. (iv) Side effects are almost nil. (v) Contraceptive efficiency reduces after the period of intense lactation. (vi) It is a natural method of contraception. (vii) It increases phagocytosis of sperms.
What is true for an ideal contraceptive ? I. It should be user-friendly. II. It should be easily available. III. It should be ineffective and reversible with least side effects. IV. It should be effective and reversible with least side effects. V. It should interfere with the sexual act of the user.
What is the value of $\tan^{-1} x + \cot^{-1} x $ ?
What is true about "Saheli"? (i) Developed at the $CDRI$, Lucknow (ii) Contains a steroidal preparation (iii) "Once-a-week" pill (iv) Many side effects (v) High contraceptive value (vi) Very few side effects (vii) Low contraceptive value
What is the value of $^nC_n$ ?
What is the value of $\sin \, 10^{\circ} + \sin \, 50^{\circ} - \sin \, 70^{\circ}$ ?
What is the value of $\left( \sin 22 \frac{1^{\circ}}{2} + \cos \, 22 \frac{1^{\circ} }{2} \right)^4$ ?
What is the value of $^nC_0$ ?
What is the value of $^nP_0$?
What is the value of inductance L for which the current in a maximum in a series L-C-R circuit with C = 10 $\mu$F and $\omega = 1000 s^{ - 1}$ ?
What is the valency of Manganese in $ {K2MnO4}$ ?