Balochistan Board > 9th > General Science (Total Videos: 244)

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Chapter 6: Elements Necessary for Life (28 videos)  (Practice Test)
6.1: Occurance of Carbon
  1. Importance of Carbon
6.2: Allotropes of Carbon  (Practice Test)
  1. Allotropy and Allotropic Forms of Carbon
  2. Diamond
  3. Graphite
  4. Bucky Balls
6.3: Abundance of Carbon Compounds and its Importance  (Practice Test)
  1. More on Importance of Carbon
  2. Coke
  3. Charcoal
  4. Concept of Organic Chemistry
  5. Sources of Organic Compounds
  6. Fractional Distillation of petroleum and its Importance
6.4: Role of Nitrogen
  1. Occurrence of Nitrogen
6.5: Composition of Air
  1. (No vidoes available yet. Still under development.)
6.6: Need of Oxygen for Survival of Living Organism in Burning  (Practice Test)
  1. Respiration
  2. Reactions of Oxygen with Metals
  3. Reactions of Oxygen with Non-metals
6.7: Fertilizers
  1. Manufacture of Urea
  2. Importance of Urea
  3. Phosphatic Fertilizers
6.8: Nitrogen Cycle  (Practice Test)
  1. The Nitrogen Cycle
6.9: Air pollution  (Practice Test)
  1. Pollutants
  2. More on Pollutants
  3. Sources of Air Pollutants
6.10: Importance of Mineral Elements in Our Body
  1. (No vidoes available yet. Still under development.)
6.11: Importance of Elements in Industry  (Practice Test)
  1. Uses of Chlorine
  2. Occurrence of Iron
  3. Cast Iron
  4. Wrought Iron
  5. Steel Iron
  6. Occurrence of Copper

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