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Tamil Nadu Board of Secondary EducationHSC Science Class 11

Identify the wrong statement in the following a) The clean water would have a BOD value of more than 5 ppm b) Greenhouse effect is also called as Global warming - Chemistry

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Question

Identify the wrong statement in the following.

Options

  • The clean water would have a BOD value of more than 5 ppm

  • Greenhouse effect is also called as Global warming

  • Minute solid particles in air is known as particulate pollutants

  • Biosphere is the protective blanket of gases surrounding the earth

MCQ

Solution

The clean water would have a BOD value of more than 5 ppm

shaalaa.com
Environmental Pollution - Introduction
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Chapter 15: Environmental Chemistry - Evaluation [Page 278]

APPEARS IN

Samacheer Kalvi Chemistry - Volume 1 and 2 [English] Class 11 TN Board
Chapter 15 Environmental Chemistry
Evaluation | Q I. 9. | Page 278
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