KlassPM School
Digital Classes for SSC
SCIENCE (9th)
- Introduction
- Physical nature of matter
- Experiments that proves properties of matter
- States of matter
- Processes involved in change of state of matter
- Change of state of matter due to effect of pressure
- Sublimation of NH4CL
- Change of state of matter due to effect of temperature
- Factors affecting evaporation
- How Does Evaporation Cause Cooling
- Air Around Us
- Question and Answers
- What is a suspension and its properties
- Concentration of a solution
- What is solution and its properties
- Introduction
- What is a colloidal solution and its properties
- Separation of the components of mixtures
- Separating two immiscible liquids
- Separation of cream from milk
- Distillation
- Crystallization
- Physical and chemical changes
- Compounds
- Based on physical states of collides
- Pure Substances
- Question and Answers
- Water
- Introduction
- Laws of chemical combination
- Laws of constant proportion
- What is an Atom?
- Atomic mass
- What is a Molecule ?
- Dalton’s atomic theory
- symbols of atoms
- What is an Ion ?
- Writing chemical formula
- Molecular mass , Formula unit mass
- Mole
- Atomicity
- Molecules of compounds
- Valency
- Molar mass
- Draw backs of dalton atomic model
- Gram Molecular Mass
- Problems on mole concept | part- 1
- Problems on mole concept | part-2
- Problems on mole concept | part-3
- Exercise Problems on atoms and molecules
- Question and Answers
- Garbage in Garbage out
- Introduction
- Discovery of Electrons - Cathode Rays (By J. J. Thomson)
- Discovery of Protons - Anode Rays/Canal Rays (By E. Goldstein)
- Discovery of Neutrons (By J. Chadwick)
- Thomson's Atomic Model
- Atomic Models
- Rutherford's Atomic Model
- Assumption made by Neil Bohr
- Atomic Number
- Mass Number
- Distribution Of Electrons In Various Shells
- Valence Shell and Valence Electrons
- Isotopes
- Question and Answers
- Nutrition in Animals
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Course Features
| Lectures | 133 |
| Quizzes | 15 |
| Duration | |
| Skill Level | All Levels |
| Language | English |
| Certificate | No |
| Assesments | Yes |