Chemistry-
General
Easy

Question

On reaction with Mg, very dilute nitric acid produces

  1. N H subscript 3 end subscript    
  2. Nitrous oxide    
  3. Nitric oxide    
  4. Hydrogen    

The correct answer is: Hydrogen

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Among A l subscript 2 end subscript O subscript 3 end subscript comma S i O subscript 2 end subscript comma P subscript 2 end subscript O subscript 3 end subscript and S O subscript 2 end subscriptthe correct order of acid strength is </span

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The following graph illustrates

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A steel ball of diameter 3.2 mm falls under gravity through an oil of density 920kgstraight m to the power of negative 3 end exponent and viscosity  1.64Nsstraight m to the power of negative 2 end exponent. The density of steel may be taken as7820kgm to the power of negative 3 end exponent What is the terminal velocity of the ball?

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The slope of the tangent to the curve y equals 6 plus x minus x to the power of 2 end exponent at left parenthesis 2 , 4 right parenthesis is

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A spherical soap bubble of radius 2 cm attached to the outside of a spherical bubble of radius 4 cm . Then what is the radius of the common surface?

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