Tag: water too little to waste

Questions Related to water too little to waste

Particulate pollutants are created by:

chemistry water too little to waste effects and conservation of water pollution water pollution, its effects and cures for a pollution free nature

  1. industrial pollution

  2. water pollution

  3. global warming

  4. none of the above

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Correct Option: A
Explanation:

Particulates pollutants are the minute solid particles or liquid droplets in air. These are present in vehicle emissions, smoke particles from fires, dust particles and ash from industries.

Industrialisation resulted in loss of what percentage of forests?

chemistry water too little to waste effects and conservation of water pollution water pollution, its effects and cures for a pollution free nature

  1. 9.3%

  2. 3.9%

  3. 19.3%

  4. 13.9%

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Correct Option: A
Explanation:

Due to industrialization which is a human activity $9.3$% of the forest is lost. In order to build new industries, flats, houses; trees are cut, thousands in numbers due to which there is a loss of forest.

Jaundice, diarrhoea etc., are caused due to the consumption of impure water.

chemistry water too little to waste effects and conservation of water pollution water pollution, its effects and cures for a pollution free nature

  1. True

  2. False

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Correct Option: A
Explanation:

Impure water contains lots of germs or bacteria. Waterborne diseases are caused by drinking contaminated or dirty water. Contaminated water can cause many types of diarrhea diseases, including cholera, and other serious illness such as gulnea worm diseases, typhoid, and dysentery.

Acid rain is the outcome of ________

chemistry water too little to waste effects and conservation of water pollution water pollution, its effects and cures for a pollution free nature

  1. Land pollution

  2. Industrial pollution

  3. water pollution

  4. none of the above

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Correct Option: B
Explanation:

Acid rain refers to a mixture of deposited material, both wet and dry, coming from the atmosphere containing more than normal amounts of nitric and sulfuric acids. Simply put, it means rain that is acidic in nature due to the presence of certain pollutants in the air due to cars and industrial processes. 

Sewage is waste water released by:

chemistry water too little to waste effects and conservation of water pollution water pollution, its effects and cures for a pollution free nature

  1. homes

  2. industries, hospitals

  3. offices and other users

  4. all of the above

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Correct Option: D
Explanation:

Sewage in wastewater is released by homes, factories, industries, hospitals, offices, and other uses. These mainly occur in developing countries where people don't have access to sanitary conditions and clean water. Untreated sewage can contaminate the environment and cause disease such as diarrhoea. 

Distilled water is clean and pure water, but unfit for human consumption.

chemistry water too little to waste effects and conservation of water pollution water pollution, its effects and cures for a pollution free nature

  1. True

  2. False

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Correct Option: A
Explanation:

Drinking distilled water robs your body of its natural source for many minerals essential to good health. This results in a mineral loss in the body with increase your risk for osteoporosis, hypertension, osteoarthritis etc.

500 ml of a sample COD of water required 19.6 mg of $ K _2Cr _2O _7 $ of water sample is

chemistry water too little to waste effects and conservation of water pollution water pollution, its effects and cures for a pollution free nature

  1. 9 PPM

  2. 8PPM

  3. 16.8 PPM

  4. 10 PPM

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Correct Option: B

High biological oxygen demand indicates:  

chemistry water too little to waste pollution of water water pollution planet earth

  1. the absence of microbial pollution

  2. moderate microbial pollution

  3. the intense level of microbial pollution

  4. all of these

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Correct Option: C
Explanation:

Biological Oxygen Demand (BOD) refers to the amount of dissolved oxygen that aerobic organisms need in order to break down organic material in water over time. Its high value indicates the intense level of microbial pollution.

Maximum prescribed limit of Fe in drinking water is:

chemistry water too little to waste pollution of water water pollution planet earth

  1. 0.1 ppm

  2. 0.2 ppm

  3. 0.5 ppm

  4. 0.2 ppb

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Correct Option: B
Explanation:

Maximum prescribed limit of Fe in drinking water is 50 ppm

The contamination of water bodies very often by human activities is known as:

chemistry water too little to waste pollution of water water pollution planet earth

  1. water pollutants

  2. air pollution

  3. water pollution

  4. air pollutants

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Correct Option: C
Explanation:

Water pollution is the contamination of water bodies very often by human activities.