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In FCC crystal, which of the following shaded planes contains the following type of arrangement of atoms

The correct answer is:

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Reason: Hydrogen bonding is present in ammonia.

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If 10-4 dm-3 owater is introduced into a1.0 dm-3 flask at 300K,homanmoleowater are in thvapouphase when equilibrium is established? (Given : Vapour pressure of H2O at300 is3170pa;R=8.314JK 1mol)

If 10-4 dm-3 owater is introduced into a1.0 dm-3 flask at 300K,homanmoleowater are in thvapouphase when equilibrium is established? (Given : Vapour pressure of H2O at300 is3170pa;R=8.314JK 1mol)

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Under identical conditionof temperature and pressure thratio of thrateof effisiooO2 anCO2 gases is giveby–

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Figure given below shows a beam of light converging at point P. When a convex lens of focal length 16 cm is introduced in the path of the beam at a place O shown by dotted line such that OP becomes the axis of the lens, the beam converges at a distance x from the lens. The value x will be equal to

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A compound MpXq has cubic close packing (ccp) arrangement of X, its unit cell structure is shown below. The empericial formula of the compound is

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IthaveragvelocitoN2 molecules i0.3 m./sec.at 27°C,then thvelocito0.6m/sec will takplace at-

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Ithfour tubeof a car arfilled to the same pressurwith N2,O2,H2 anwe separatelthen whicone will bfilled first -

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ThrmvelocitoCO2 at a temperaturT (in Kelvinis xcm/sec. Awhat temperature (in kelvin) the rms velocity of nitrousoxide wouldbe4xcm/sec.

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Thfollowingraph illustrates-

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Thvalueovanderwaals' constan'afor the gasesO2,N2,NH3 anCH4 ar1.360,1.390,4.170 an2.253Latmmol2 respectivelyThe gas which can most easilbliquefied is–

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