Recent questions tagged class12

what is the action of ammonia on formaldehyde

asked Jan 31, 2020 by choudharin980

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A compound microscope has an objective of 1.25cm

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State hygen's postulates

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5 litre solution of 0.4 M cuso4 is electrolysed using CU electrode a curre

asked Jan 30, 2020 by harigtm39

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If the peak value of magnetic field of a beam is 12 into 10 to the power mi

asked Jan 30, 2020 by prakashsahoo2762

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if f(x)={[x]/x if x not equal to 0 0 if x=0 thepoint of discont

asked Jan 30, 2020 by bramykiru262002

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for a given potential difference,does a capacitor store more or less charge

asked Jan 29, 2020 by zehraaqdas0000

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find the % weight and weight fraction of asprine in the solution prepared b

asked Jan 29, 2020 by sanjay05112003

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A current i flowing through a resistance connected to a primary cell,Now th

asked Jan 29, 2020 by zehraaqdas0000

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Photoelectic effect proves the 1.wave nature of light 2.wave nature of el

asked Jan 29, 2020 by yblakhotra24

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What are the main oxidizing agents used in chemical reactions?

asked Jan 28, 2020 by k.gunaratne200053

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A solution of sucrose has been prepared by dissolving 68.4g of sucrose in

asked Jan 28, 2020 by milienubz

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The dimagnetic species is

asked Jan 28, 2020 by ambica9955

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Prove that Tan inverse((2sin2x) /(1+2cos2x)) -1/2sin inverse((3sin2x) /(5+4

asked Jan 28, 2020 by debnathdey3

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Find the distance of the point (2, 2,-1) from the line (x+1)/2=(y+1) /2=z/

asked Jan 28, 2020 by arunrknpalani

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A window is in the form of a rectangle surmounted by a equilateral triangle

asked Jan 28, 2020 by arunrknpalani

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the rate of decay a certain substance is directly proportional to the amoun

asked Jan 27, 2020 by mrunalsaste

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In a spectrometer experiment three prisms ABC with same angles of prism but

asked Jan 27, 2020 by bjagan869

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How basicity or acidity 0f group 15 hydrides varies?

asked Jan 27, 2020 by k.gunaratne200053

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Why ammonia is basic in an aquas medium and basic in anhydrous form?

asked Jan 27, 2020 by k.gunaratne200053

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a) For the symmetric matrix 2 4 5 3 8 4 9        

asked Jan 27, 2020 by aneedrarosegeorge

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(x^2y-x^2)dx+(xy^2-y^2)dy=0

asked Jan 27, 2020 by ay8621327

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RbI crystallises in 8:8 structure in which each Rb^+is surrounded by 8 iodi

asked Jan 26, 2020 by surekhajibhakate9

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A trapezium with its parallel sides in the ratio 11: 3 is cut off from a re

asked Jan 26, 2020 by ripusingh01

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Gold number is minimum in case of

asked Jan 26, 2020 by satayamkr862003

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Calculate the average drift velocity of conduction electrons in a copper wi

asked Jan 25, 2020 by ankitapriyadarshini453

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I didn't understand how we get a sintheta = 3lambda/2 for first maximum?

asked Jan 25, 2020 by siyonasingh1805

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mutual inductance M between two concentric coils of radius 1 cm and 2 m is(

asked Jan 25, 2020 by 32aditya5368

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A solution of glucose in water is labelled as 10% by weight. What would be

asked Jan 25, 2020 by pritinarayan216

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Give five method of formation of aldehyde

asked Jan 24, 2020 by shivamsingh1227

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(chatquestion)...Five identical capacitors, of capacitance 20 µF each, are

asked Jan 24, 2020 by yurembamelvis001

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When ultravoilet rays are incident on a metal plate then photoelectric effe

asked Jan 24, 2020 by sgulbag084

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(i) There are 2 men, 3 women and 3 children in family Y. The daily requirem

asked Jan 23, 2020 by garimasethi.cse

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A transverse wave is effected from rigid support the change of phase after

asked Jan 23, 2020 by piyushbagve1432

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Find area bounded by y=x^2+5,y=x^3,and at x=1,x=2

asked Jan 22, 2020 by priyankaparashar22

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In a capacitor having plates of different areas ,why electric field lies on

asked Jan 22, 2020 by deepak.gouda2002

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Integrate the following:integration of dx÷x to the power n(x+1)

asked Jan 21, 2020 by somusomashekarr09

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Find the inverse of the given matrix by elementary column transformation A=

asked Jan 20, 2020 by riyasharma19306

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The photoelectric work function for molybdenum is 4.6eV what should be the

asked Jan 20, 2020 by madhavitakmoge8472

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Slope q-t graph gives

asked Jan 19, 2020 by nadeemadil555

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What should be the width of each slit to obtain 10 maxima of the double sli

asked Jan 19, 2020 by abhimibias82

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Velocity of an oscillating charge as it moves to and fro along the wires is

asked Jan 19, 2020 by nadeemadil555

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Gold occurs as FCC crystal & has density 19.30kg/FM cube. Calculate volume

asked Jan 19, 2020 by anushkaposam

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Parents with AB blood group have two sons one has A blood group and another

asked Jan 19, 2020 by gitanjalidekaneog66

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Form the differential equations representing the family of curves y=A÷x +5

asked Jan 19, 2020 by dollmadan1106

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If u=sin^-1((x^1/2+y^1/2)/x^1/2-y^1/2)*tan((x^3+y^3)/x^3-y^3) then find x.

asked Jan 19, 2020 by kingsiva541

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The change of induction current with frequency

asked Jan 19, 2020 by durbabhatt100

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Find distance between k+ and f- ion in potassium fluoride which has sodium

asked Jan 18, 2020 by kajal02122002

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What is the direction of electric dipole moment vector of an electric dipol

asked Jan 18, 2020 by pragyasing916

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Parents with AB blood group have two sons.One has A blood group and another

asked Jan 18, 2020 by rupakmedhi2015

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