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i found chem easy...dunno about phy and maths..u guys comment.. ...
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hey, how was the ppr, how much u guyz expecting?? ...
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hey, how was the ppr, how much u guyz expecting?? ...
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hey, how was the ppr, how much u guyz expecting?? ...
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hey, how was the ppr, how much u guyz expecting?? ...
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*Image* *Image* *Image* ...
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1)STATEMENT 1 : If current flows through a wire of non uniform cross section potential difference per unit length of the wire in the direction of current is same at different points STATEMENT 2 : Current in the wire is same t ...
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1) STATEMENT 1 : A charged particle is accelerated by a potential difference V . The electron enters perpendicular into a uniform magnetic field.The magnitude of angular momentum of the electron about centre of trajectory fol ...
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starting 2010 with chem :) *Image* ...
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so how was it?????? ...
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(1)there are 24 balls of 6 different sizes in a bag, there being 4 balls of each size in four different colours .in how many ways 4 balls can be selected so that they are of differnt colours?????? (2) how many 5 digit nos. of ...
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100 ml of 0.1 M NaAl(OH)2CO3 is neutralised by 0.25 N Hcl to form Nacl ,Alcl3 & CO2 Volume of Hcl reqd is ... (A) 10 mL (B) 40 mL (C) 100 mL (D) 160 mL ...
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(1)there are 24 balls of 6 different sizes in a bag, there being 4 balls of each size in four different colours .in how many ways 4 balls can be selected so that they are of differnt colours?????? (2) how many 5 digit nos. of ...
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Q1 Ammonia +Hypochlorite anion→ ?? Q2 When zeolite which is hydrated with sodium aluminium islicate is treated with hard water,the sodium ions are exchanged by ? Q3 NH4NO3 +Heat → ? Q4 NH4NO2 +heat→ ? Q5 Glycine +heat â ...
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let f(x) , x ε [0,∞) be a non negative continuous function. If f '(x) cosx ≤ f(x) sinx for all x≥0 then value of f(2π) is- a)0 b)1 c)Πd)none ...
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Q1 Mercury is liquid at 0°C due to _________ and _________ Q2An element in 3d transition series shows 2 oxidn states x an dy which differ by 2 units.Find conditions between x and y for compound to be ionic and covalent Q3WHi ...
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Q1 Boiling CuCl2 with excess copper turnings and conc HCl gives ?? Q2 Cu2+ is more stable than Cu+ due to ?? Q3 CuSO4 + lime = ?? Q4 Yellow mercuric oxide is obtained by? Q5 The iron salt used in blue prints is ?? ...
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Multi answer Q. Consider a curve 13[(x-2)2+(y-3)2] = (2x+3y-5)2. Tangents are drawn from (1,1) to this curve. If a conic S=0 having eccentricity half the eccentricity of the conic xy+x+y=0 always touches above tangents then t ...
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Multi answer Q. Consider a curve 13[(x-2)2+(y-3)2] = (2x+3y-5)2. Tangents are drawn from (1,1) to this curve. If a conic S=0 having eccentricity half the eccentricity of the conic xy+x+y=0 always touches above tangents then t ...
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so how was it??????? ...
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so how was it??????? ...
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so how was it??????? ...
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so how was it??????? ...
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*Image* A rod of length 2m moves in horizontal x-y plane .At any instant end a of the rod is at origin and has velocity vA=2i+vyj.the other end B aty the same instant is moving with velo=vB=2i+6j.the rod makes an angle of 30Â ...
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To prepare anisole, which is the best path :- *Image* It can't be the first one bcoz c -Br bond is stable due to resonance hence nucleophilic attack is not preferred. But what abt the second and third reactions ????? ...
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*Image* the two extreme plates are grounded .........A and B given charge 2Q and 3Q .......find potential difference between A and B .... ...
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A metal X is prepared by electrolysis of fusd chloride.It reacts with hydrogen to form a colorless solid from which hydrogen is released on treatment with water. a)Al b)Ca c)Cu d)Zn ...
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Q1 BN can be obtained by reaction of boron with a)NH3 b)N2 c)KCn d)KNO3 Q2 WHich of the following doesnt give N2 on heating a)NH4Cl b)(NH4)2Cr2O7 c)NaN3 d)NaNH2 I ma sure abt b) but what abt other options ? Q3 Which of the fo ...
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Q1 BN can be obtained by reaction of boron with a)NH3 b)N2 c)KCn d)KNO3 Q2 WHich of the following doesnt give N2 on heating a)NH4Cl b)(NH4)2Cr2O7 c)NaN3 d)NaNH2 I ma sure abt b) but what abt other options ? Q3 Which of the fo ...
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A metal X is prepared by electrolysis of fusd chloride.It reacts with hydrogen to form a colorless solid from which hydrogen is released on treatment with water. a)Al b)Ca c)Cu d)Zn ...
