10th Class Chemistry Lecture Unit 14 (PTB Syllabus)

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9th and 10th class English, Biology, Physics, Chemistry, and Computer Science Lectures for Punjab Boards. Class 9th 10th , IX/SSC-1/Matric. These Lectures are per the Latest Syllabus/Course Prescribed by the Boards of Intermediate and Secondary Education (BISEs) of Punjab Province and prescribed by the Department of Education, Punjab Government, Lahore.

In this video,

I covered these things.

Lecture

Unit:14

The Atmosphere,

Introduction,

Composition of Atmosphere,

Layers of Atmosphere,

Air Pollutants,

Acid Rain and Its Effects,

Ozone Depletion and Its Effects.

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