Chemistry


Class - Navodaya Entrance 9th Subjects
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Abhyas is a Concept Based Learning and Testing Platform

 

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- Air Pollution

- Sources of Air Pollution

- Pollution Caused by Man

- Gaseous Pollutants

- Chemical Pollutants

- Particulate Pollutants

- Smog

- Pollution Caused by Burning of Coal

- Biodegradable Pollutants

- Acid Rain

- Depletion of Ozone Layer

- Greenhouse Effect

- Global Warming

- Prevention of Air Pollution

- Pollution Control Use of CNG


 

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- Water As A Resource

- Water Pollution As Resource Management

- Causes of Water Pollution

- Effects of Pollution on Waterbodies

- Pollution Control Growing of Specific Plants

- Pollution Control Sewage Disposal

- Pollution Control Disposal of Waste

- Potable Water

- Methods to Purify Water

- Conservation of Water


 

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- Types of Materials

- Natural Fibres

- Synthetic Fibres

- Mixed Fibres

- Rayon Silk Properties and Uses

- Nylon Properties and Uses

- Polyester Properties and Uses

- Acrylic Properties and Uses

- Spandex Properties and Uses


 

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- Different types of Plastics

- Thermosetting and Thermoplastic

- Properties of Plastics

- Plastics and Role in Environment


 

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- Metals and Non-Metals

- Mineral and Ores

- Physical Property of Metal - Physical State

- Physical Property of Non-Metal - Physical State

- Physical Property of Metal Appearance

- Physical Property of Non-Metal - Appearance

- Physical Property of Metal - Hardness

- Physical Property of Non-Metal - Hardness

- Physical Property of Metal - Ductility

- Physical Property of Metal - Conductivity

- Physical Property of Non-Metal - Conductivity

- Physical Property of Metal - Sonority

- Physical Property of Non-Metal - Sonority

- Reaction with Oxygen

- Reaction With Water

- Physical Property of Metal - Denisty

- Physical Property of Non-Metal - Density


 

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- Corrosion and its Prevention

- Metals React With Acids

- Reactivity Series

- Metals React With Other Metal Salts

- Uses of Metals

- Uses of Non Metals

- Alloys and its Importance

- Metal React With Water


 

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- Fuels

- Characteristics of Fuels

- Fossil Fuels

- Coal

- Coal and Petroleum

- Petroleum and Natural Gas

- Pollution caused by burning of Fossil Fuels

- How to Conserve Coal and Petroleum


 

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- Combustion and its Types

- Extinguishing a Fire

- Flame


 

Explore Concepts (Click & View)

- Candle flame

- Combustion of a Candle

- Criteria for Ideal Fuel

- Fuel Efficiency

- Burning of Fuel Produces Harmful Products

- CNG


 


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