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Give simple chemical tests to distinguish between the following pairs of compounds: Benzoic acid and Phenol
Concept: Chemical Properties of Phenol
How do you convert the following :
Phenol to anisole
Concept: Preparation of Ethers
Write the structures of the following molecule:
XeOF4
Concept: Group 18 Elements - The Noble gas Family
Write the mechanism of the following reaction :
Concept: Chemical Reactions of Alcohols and Phenols >> Reactions Involving Cleavage of Carbon–Oxygen (C–O) Bond in Alcohols
How do you convert the following:
Ethanol to Propan-2-ol
Concept: Preparation of Commercially Important Alcohols
Draw the zwitter ion structure for sulphanilic acid.
Concept: Biomolecules in the Cell > Proteins >> Classification of Amino Acids
Explain the term Antiseptics
Concept: Classification of Drugs
अच्छे फीचर की किन्हीं तीन विशेषताओं का उल्लेख कीजिए।
Concept: पत्रकारीय लेखन के विभिन्न रूप और लेखन प्रक्रिया
If A is a square matrix such that A2 = I, then find the simplified value of (A – I)3 + (A + I)3 – 7A.
Concept: Types of Matrices
if the matrix A =`[(0,a,-3),(2,0,-1),(b,1,0)]` is skew symmetric, Find the value of 'a' and 'b'
Concept: Types of Matrices
If A = `[(2,-3,5),(3,2,-4),(1,1,-2)]` find A−1. Using A−1 solve the system of equations:
2x – 3y + 5z = 11
3x + 2y – 4z = –5
x + y – 2z = –3
Concept: Applications of Determinants and Matrices
Find the area of the region in the first quadrant enclosed by the x-axis, the line y = x and the circle x2 + y2 = 32.
Concept: Area Under Simple Curves
Find the differential equation representing the family of curves `y = ae^(bx + 5)`. where a and b are arbitrary constants.
Concept: Formation of a Differential Equation Whose General Solution is Given
Find the vector equation of the line passing through the point A(1, 2, –1) and parallel to the line 5x – 25 = 14 – 7y = 35z.
Concept: Multiplication of Vectors >> Projection of a Vector on a Line
Find the magnitude of each of two vectors `veca` and `vecb` having the same magnitude such that the angle between them is 60° and their scalar product is `9/2`
Concept: Multiplication of Vectors >> Scalar (Or Dot) Product of Two Vectors
If θ is the angle between two vectors `hati - 2hatj + 3hatk and 3hati - 2hatj + hatk` find `sin theta`
Concept: Multiplication of Vectors >> Vector (Or Cross) Product of Two Vectors
Define Flexibility.
Concept: Flexibility and Its Importance
Write two important characteristics of equipotential surfaces.
Concept: Equipotential Surfaces
Define the coefficient of self-induction.
Concept: Inductance >> Self Inductance
What are eddy currents?
Concept: Eddy Currents or Foucault Currents
