Balochistan Board > 11th > Chemistry (Total Videos: 391)

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Chapter 1: The Basic Concepts (43 videos)  (Practice Test)
1.0: Introduction
  1. The Scientific Approach in Chemistry
1.1: Atoms, Molecules, Ions and Molecular ions  (Practice Test)
  1. Atom
  2. Molecule
  3. Ion
  4. Molecular ion
  5. Molecular Ion
  6. Giant Molecules
  7. Evidence of Atoms
1.2: Relative Atomic and Molecular Masses  (Practice Test)
  1. Relative Atomic Mass in Grams
  2. Relative Molecular Mass in Grams
1.3: Mass Spectrometry  (Practice Test)
  1. Isotopes
  2. More on Isotopes
  3. Relative Abundance of Isotopes
  4. Determination of Ar of Isotopes by Mass Spectrometry
  5. More on Determination of Ar of Isotopes
  6. Calculate Percentage Abundance
1.4: Determination of Empirical and Molecular Formula  (Practice Test)
  1. Empirical formula
  2. Empirical formula-covalent and ionic compound
  3. The Empirical Formula from the Percentage Composition
  4. Molecular formula
  5. More on Molecular Formula
  6. Average Atomic Masses
  7. Calculating the Average Atomic Mass
1.5: The Mole and Avogadro's Number  (Practice Test)
  1. Avagadro's Number
  2. More on Avogadro's Number
  3. Measurement of Charge on Electron-Millikan's Drop Method
  4. More on Measurement of Charge on Electron
  5. Mass of Electron
  6. Determination of Mass of Hydrogen atom
  7. Molar Gas Volume
  8. Calculations of Molar Gas Volume
1.6: Stoichiometric Calculations  (Practice Test)
  1. Stoichiometry
  2. Stoichiometric Calculations
  3. Calculations Based on Balanced Chemical Equations
  4. The Percentage Composition of Elements in a Molecule
  5. Calculating Percentage Composition
1.7: Limiting Reactants  (Practice Test)
  1. Limiting Reactants
  2. Importance of Limiting Reactants
  3. More on Importance of Limiting Reactants
  4. Calculating Limiting and Excess Reactants
1.8: Percentage Yield  (Practice Test)
  1. Percentage Yield
  2. More on Yield
  3. Calculation of Percentage Yield

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