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Classification of Pollutants | Primary Pollutants vs Secondary Pollutants | Environmental Chemistry

Pollutants:  Any substance produced either by a natural source or by human acti…

Types of Sentences- Examples of Assertive or Declarative Sentence -Imperative Sentence- Interrogative Sentence -Exclamatory Sentence

i) A ssertive sentence or declarative  sentence:  A sentence that makes a staem…

Example of Alloys | Uses of Alloys in Daily Life | Chemistry Lesson Plans

What are  Alloys? Alloys are mixtures of two or more metals or a metal and a n…

What is colloid? Properties of Colloid | Common Examples of Colloids | Chemistry Lesson Plans

What is colloid?   A homogeneous non-crystalline substance consisting of large …

Types of Waste | What are some examples of waste materials?

Type of Waste 1. Toxic waste  causes serious problem to our health and to the …

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