Questions asked by Ujjwal

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• What is the increasing order of strength of oxy acids of Chlorine?
  
• How many isomers of #C_5H_11OH# will be primary alcohols? Give their structures too.
  
• Write an equation to show the nature of boric acid in aqueous medium?
  
• What is decarboxylation?Give an example for the process.
  
• A lens has a power of +5 D in air. What will be its power if completely immersed in water? (refractive index of water w.r.t air = 4/3 and refractive index of glass w.r.t. air = 3/2)
  
• How can you convert a galvanometer into a voltmeter?
  
• A fish looking up through the water sees the outside world contained in a circular horizon. If the refractive index of water is 4/3 and fish is 12 below the surface , find the radius of the circle in cm?
  
• What is the least value of the expression ? #x^2 + 4y^2 + 3z^2 - 2x - 12y - 6z + 14#
  
• Which is the strongest reducing agent among #H_2O , H_2S , H_2Se , H_2Te#?
  
• Calculate the POH of a solution made by mixing 50 ml of 0.01 M #Ba(OH)_2# solution with 50 ml water?
  
• How can you convert a galvanometer into a voltmeter ?
  
• Why does ethene not conduct electricity?
  
• Let #r# be the root of the equation #x^2 + 2x + 6#.What is the value of #(r+2)(r+3)(r+4)(r+5)#?
  
• In a trapezium ABCD , side BC is parallel to AD.Also the lengths of side AB,BC,CD and AD are 8,2,8 and 10 units respectively.Find the radius of the circle that passes through all four points A,B,C and D?
  
• Please answer this question?
  
• Please answer this physics answer?
  
• Please answer this question ?
  
• Balance the following reaction? #(MnO_4^-) + C_2O_4^(2-) + H^(+) -> Mn^(2+) + CO_2 + H_2O#
  
• If #alpha,beta# are roots of #x^2 -6x-2=0# and #alpha>beta# , if #a_n =(alpha)^n - (beta)^n# , #n geq 1# then #(a_10 - 2a_8)/(2a_9)?#
  
• A charged particle moves through a magnetic field perpendicular to its direction , then discuss about the kinetic energy and momentum of the particle whether they remain constant or change?
  
• If a charged particle enters into a uniform magnetic field neither perpendicularly nor parallel to the field. What is the path of the charged particle? A)Straight line B)Elliptical C)Helical D)Parabola
  
• How can I see my answers which are featured?
  
• What is the value of #i^-39#?
  
• What is disproportion reaction? Explain with an example.
  
• Explain ionic balancing with an example?
  
• What is the least value of the expression #(x^2 + 1)/(2x)# when x is positive?
  
• If #sinx+siny=sqrt3 (cosy-cosx)# Find the value of #sin3x+sin3y#?
  
• Please help for physics question?