List of practice Questions

What is the position of elements La (Z = 57) and Ce (Z = 58) respectively in the long form of periodic table?
What is the formal charge on hydrogen atom in water molecule?
Which among the following is a heaviest isotope of water?
Which of the following ionic species has highest precipitating power?
IUPAC name of benzylamine is
Half life of first order reaction is 20 minutes. What is the time taken to reduce the initial concentration of the reactant to $\dfrac{1{10}$th?}
What is the type of hybridisation and the geometry respectively found in $\mathrm{[CoF_6]^{3-}$?}
Identify the type of drug used to reduce pain and irritation of stomach?
Which of the following alcohols is prepared by acid catalysed hydration of alkenes?
Which among the following formulae represents glycollic acid?
What is the mass of an fcc unit cell if mass of one atom of an element is $6 \times 10^{-23$ g?}
Which of the following is a major product obtained in the reaction of isobutylene with hydrogen bromide?
Which of the following equations is correct for heat of sublimation?
According to Raoult's law, relative lowering of vapour pressure for a solution containing a non-volatile solute is equal to
What is the value of primary valence of Co in CoCl$_3$?
When 2 moles of an ideal gas are expanded isothermally from a volume of 12.5 L to 15.0 L against constant external pressure of 760 mm Hg, calculate the amount of work done in joule?
Which among the following is correct when energy of activation, $E_a$, of the catalyzed reaction decreases at constant temperature and for same concentration?
Which of the following formula represents laughing gas?
Which of the following statements is true for electrolytic cell?
The dimensions of magnetic intensity are
Which one of the following combination of constants has dimensions of time?
[$G$ = constant of gravitation, $h$ = Planck's constant, $c$ = velocity of light]
Which among the following substituent groups decreases the acidic strength of aromatic carboxylic acid?
A galvanometer of resistance $G$ is converted into a voltmeter of range $0-1 V$ by connecting a resistance $R _{1}$ in series with it. The additional resistance that should be connected in series with $R _{1}$ to increase the range of the voltmeter to $-2 V$ will be :
A particle is moving unidirectionally on a horizontal plane under the action of a constant power supplying energy source. The displacement (s) - time (t) graph that describes the motion of the particle is (graphs are drawn schematically and are not to scale) :
A 60 HP electric motor lifts an elevator having a maximum total load capacity of 2000 kg. If the frictional force on the elevator is 4000 N, the speed of the elevator at full load is close to : ($1 \,HP = 746 \,W, \,g = 10\, ms^{-2}$ )