Chapter 16 Environmental Chemistry Chemistry 12th Class Punjab MCQ Tests
12th Class Chemistry Chapter 16 MCQ Tests
Chapter 16 of 12th Class Chemistry has 10 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 10
Total Marks: 10
Time: 10 Mins
Total Questions: 10
Total Marks: 10
Time: 10 Mins
10Min : 00 Sec Remaining
Question # 1
_____ comes under the chemical monitoring of the lake.
Question # 2
Aerobic bacteria consume oxygen to oxidize _____.
Question # 3
NO2 + O → ?
Question # 4
Which of the following is a powerful eye irritant?
Question # 5
For COD test, _____ is added in the water sample.
Question # 6
COD test is used to check the _____.
Question # 7
If water has oxygen concentration less than 4 ppm, it is considered _____.
Question # 8
SO2 in the presence of sunlight is converted into _____.
Question # 9
Carbon monoxide is _____ than air.
Question # 10
Soap and detergents are the source of organic pollutants like:
Total Questions
12345678910
Question # 1
_____ comes under the chemical monitoring of the lake.
Question # 2
Aerobic bacteria consume oxygen to oxidize _____.
Question # 3
NO2 + O → ?
Question # 4
Which of the following is a powerful eye irritant?
Question # 5
For COD test, _____ is added in the water sample.
Question # 6
COD test is used to check the _____.
Question # 7
If water has oxygen concentration less than 4 ppm, it is considered _____.
Question # 8
SO2 in the presence of sunlight is converted into _____.
Question # 9
Carbon monoxide is _____ than air.
Question # 10
Soap and detergents are the source of organic pollutants like:
Total Questions
12345678910
Chemistry MCQ Test by Topics
- +16.1 INTRODUCTION
- +16.1.1 Components of the Environment
- +16.2 TYPES OF POLLUTION
- +16.2.1 Air Pollution
- +16.2.2 The Effects of Polluted Air on Environment
- +16.2.3 Water Pollution
- +16.3 FACTORS AFFECTING THE QUALITY OF WATER
- +16.3.1 Purification of Water
- +16.4 SOLID WASTE MANAGEMENT
- +16.4.1 Effects of Dumping Waste in Sea and Rivers
- +16.4.2 Landfill
- +16.4.3 Incineration of the Muncipal Solid Waste
- +16.4.4 Treatment of Industrial Waste
- +16.4.5 Incineration otlnckistrial and Hazardous Waste
- +16.4.6 Recycling of Waste
Chemistry
- Periodic Classification of Elements and Periodicity
- s-Blocks Elements
- Group IIIA and Group IVA Elements
- Group VA and VIA Elements
- The Halogens and the Noble Gases
- Transition Elements
- Fundamental Principles of Organic Chemistry
- Aliphatic Hydrocarbons
- Aromatic Hydrocarbons
- Alkhl Halides
- Alcohols, Phenols and Ethers
- Aldehydes and Ketones
- Carboxylic Acids
- Macromolecules
- Common Chemical Industries in Pakistan
- Environmental Chemistry
12th Class Online Classes 2026
Updated on: 17-05-2026
12th Class Online Preparation
12th Class 2026 Online
12th Class 2026
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