Chemistry Lectures
Introduction to Thermochemistry
What is pH indicator?
How to prepare hand sanitizer at home
Evaporation is a Surface Phenomenon
Exothermic and Endothermic Reactions
What is pH ? l Strength Of Acid and Bases
Lewis concept of acid and bases
Difference between Valency and Oxidation number
Solubility Product KSP I Equilibrium
Meaning of pH value ?
Trick for Knowing Hybridization
Electrochemical series and its applications
Chemistry Lectures 11th Class Chapter-1
Definition of Mole
Avogadro’s Number
Mole-Mass Calculations
Calculating Mass in Grams and Moles
Mole-Particle Calculations
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Calculating Number of Particles from Mass
Calculation of Molar Gas Volume
Concept of Mole
Detail of Avogadro ’s number
Calculating Moles from Mass
Mole-Mass Calculations
Calculating Mass in Grams of a Single Atom
.
Calculating Mass and Moles of an Element from a Compound
Representative Particles
Stoichiometry
Calculating Mass from Moles
Detail of mole particle Calculation
Calculating Number of Ions in the Compounds
Molar Gas Volume
Chemistry Lectures 11th Class Chapter-2
Atom and its Structure
More on Properties of Cathode rays
Discovery of Neutrons
Measurement of Charge on Electron-Millikan’s Drop Method
Properties of Fundamenal Particles
Bohr’s Atomic Theory
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Energy of Revolving Electron
Calculations of Frequency of Photons by Bohr’s Theory
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Calculation of Energy for Lithium ion
Paschen Series
Calculation of Wave Number of Spectral Series
Conversion of Energy to Wavength, Frequency and Wave Number
Study of X-Rays by Moseley
Quantum Numbers
Magnetic Quantum Numbers (m)
Calculation of Combination of Quantum Numbers
Shapes of d-Orbitals
Pauli’s Exclusion Principle and Hund’s Rule
Discovery of Electron (Cathode rays)
Discovery of Proton
Properties of Neutrons
More on Measurement of Charge on Electron
Rutherford’s Atomic Model
Derivation of Radius of Revolving Electron in nth Orbit
More on Energy of Revolving Electron
Calculations of Wave Numbers of Photons by Bohr’s Theory
Hydrogen Spectrum
Lyman Series
Brackett Series
Planck’s Quantum Theory
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X-Rays
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Importance of Moseley’s Law
Principal Quantum Numbers (n)
Spin Quantum Numbers (s)
Shape of s-Orbitals
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(n+l) Rule
Magnetic properties
Properties of Cathode rays
Properties of positive rays
Measurement of e/m Value of Electron
Mass of Electron
Advantages and Defects in Rutherford’s Atomic Model
More on Derivation of Radius of Revolving Electron in nth Orbit
Energy of Electron in nth Orbit
Defects of Bohr’s Atomic Model
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More on Hydrogen Spectrum
Balmer Series
Pfund Series
More on Planck’s Quantum Theory
.
Types of X-Rays
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Uses of X-Rays
Azimuthal Quantum Numbers (l)
Quantum Numbers of Electrons
Shapes of p-Orbitals
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Aufbau Principle
Mathematics Lectures 11th Class
Chapter-1
Ex-1.1
Introduction to Number Systems
1.1 Question no 1
1.1 Question no 2
Ex-1.2
1.2 Question 4 and 5
1.2 Question no 15
1.2 Question 6 to 9
1.2 Question 12 to 16
Ex-1.3
1.3 Question no 3
1.3 Question 7
Chapter-2
Ex-2.1
2.1 Question no 10
2.1 Question no 5 to 7
Ex-2.2
2.2 Question no 1
2.2 Venn Diagram
2.2 Question no 6
Ex-2.3
2.3 Question no 8
2.3 Question no 9
Ex-2.4
2.4 Question no 1 and 2
2.4 Question no 3 and 4