Which of the following is not a stage in purifi cation of drinking water: a. fi ltration c. activated sludge b. chlorination d. sedimentation

Q: Name the pollutants which are degradable.

A: Pollutants are considered as undesirable changes in physical, chemical or biological characteristics…

Q: The required volume of distribution reservoirs is usually: a. equal to the total daily water…

A: Ecology is the study of interaction of organisms with one another and with the environment. Ecology…

Q: The prime source of chlorofluorocarbons is A. Vehicular emissions B. Industrial effluents C.…

A: Chlorofluorocarbons : These are the partially or completely halogenated hydrocarbons having…

Q: The activated sludge process was developed from empirical knowledge and is now widely used for…

A: Activated sludge-The activated sludge process is a type of wastewater treatment process for treating…

Q: In wastewater BOD level is high but in flowing surface water usually BOD level is very low. Explain.

A: Introduction Biological oxygen demand (BOD) refers to the amount of dissolved oxygen required by…

Q: What are the various constituents of domestic sewage? Discuss the effects of sewage discharge on a…

A: Sewage treatment is done in order to obtain water for future usage. Clean water is a basic…

Q: How is the activated sludge removed? Why does the treatment facility add chlorine to the water? What…

A: 1) In liquid waste water treatment, flocs (masses of bacteria associated with fungal filaments to…

Q: Describe the three stages of sewage treatment.

A: Sewage water is the wastewater produced after the household uses, industrial uses, and purposes. So,…

Q: What are the positive and negative impacts of the Clean Water Rule?

A: Positive Impact of the Clean Water Rule : The act  expanded the supply of water treatment flora fron…

Q: Which organism is used as indicator of water quality?

A: The organisms which can indicate the presence of certain pollutants in water are known as indicator…

Q: Environmental factors that could lead to failure of water treatment plant?

A: water treatment plants are those large scale equipments which helps in clearing and sterilizing…

Q: TOTAL MICROBIAL NUMBER OF DRINKING WATER (ACCORDING TO SANPIN REQUIREMENTS 2.1.4.1074-01) IN 100 ML…

A: A sufficient, clean, and safe drinking water supply must be provided for varied consumers as a…

Q: How does waste management in Texas compare to the management in other states?

A: Waste management in Texas is done in a very effective way.

Q: Microbes have their biggest impact in which step of wastewater treatment? A) O preliminary B) O…

A: Wastewater treatment as the term suggests is the treatment of the sewage water in order to eliminate…

Q: Pollution caused by liquid and solid waste in the country would be prevented and reduced.for this…

A: Waste minimisation is a set of processes and practices intended to reduce the amount of waste…

Q: Discuss briefly the following: (a) Radioactive wastes (b) Defunct ships and e-wastes (c) Municipal…

A: (1) Radioactive wastes: Radioactive wastes are created as a result of the nuclear energy production…

Q: Which potential source of water pollution is a nonpoint source? Sewage treatment plant Electric…

A: Activities performed by humans result in the production of some byproducts which are known as…

Q: Describe, in order, the 6 steps of cleaning drinking water (filtration, flocculation, corrosion…

A: Water is life. It is the number one source of nutrition. Human body is made of 60% of water . Water…

Q: Discuss the water treatment plants methods for treating water to make it potable and the…

A: BASIC DEFINITION Water Treatment plant It is the process through which we can can improve the…

Q: Describe any two (2) types of nitrogenous waste.

A: Nitrogenous wastes, also known as nitrogen wastes, are nitrogen compounds that are produced by…

Q: Which of the following pollutants is not present in the smoke emitted from the vehicles? Ammonia…

A: Pollutants are the harmful substances that are released in the atmospheric. These substances pollute…

Q: Outline the steps in treatment of municipal water supplies.

A: Treatment of water at municipality to make it suitable for drinking involves several steps. It is…

Q: What are the causes of poor solid waste management in your community

A: Solid-waste management involves the collecting, treating, and disposing of solid material, which is…

Q: Which of the following is not an example of adhesio O a Water dripping down a window O b Water on a…

A: Water is attracted to water is cohesion.Water is attracted to other substances by adhesion. Adhesion…

Q: Which one is not a pollutant normally? (a) hydrocarbon (b) carbon dioxide (c) carbon monoxide

A: The introduction of hazardous substances into the environment is referred to as pollution.…

Q: How can levels of nitrates and bacteria be controlled in runoff water?

A: Pollution is any undesirable change in physical, chemical or biological characteristics of air,…

Q: Discuss the different methods of water analysis to determine pollution.

A: Introduction Water quality analysis is performed to assess the chemical, physical, and biological…

Q: Which of the following microorganisms require the major available (aW) of water to proliferate?

A: aW is the water activity, is the measurement of available water. 0.62 is the minimum requirement for…

Q: Have the provisions of the Clean Water Act been effective? Discuss some of the methods we can adopt,…

A: Pollution is a reason of concern for a variety of reasons. There are several factors which affect…

Q: About Introduction to Hydroponic Agriculture Define the following: Substrate Cladding Material…

A: Hydroponic agriculture is an innovative farming technique that skips the use of soil and instead,…

Q: Prior to better regulatory control of metal release into domesticwastewater systems, crown corrosion…

A: Chemolithotrophs: These are a group of various microbes that can get all the energy essential for…

Q: Leachate production is what

A: A leachate is any liquid that, extracts soluble or suspended solids from the material through which…

Q: Name the agents that carry any kind of pollution.

A: Pollution is the introduction of the undesirable element in the environment which affects the…

Q: Explain the manner in which pollution is caused by solid industrial waste, industrial effluents and…

A: Pollution is a harmful cause to the environment.  These include air, water, land, radioactive,…

Q: To reduce the risk of harm from a water transfer project,

A: Answer:  WATER TRANSFER PROJECT : It is the project of transferring the water from one river to…

Q: Which statement among A-C is not applicable to flocculation, or floc formation, during wastewater…

A: Flocculation : Flocculation is a process in which solids form larger clusters or flocs which further…

Q: Why is reduction of BOD in wastewater a primary goal ofwastewater treatment? What are the…

A: Wastewater treatment is carried out to reduce organic and inorganic compounds in the wastewater to a…

Q: Escherichia coli is used as an indicator organism to determine pollution of water with what?

A: Bioindicator as the term suggests is the indicator of the quality of the environment. The function,…

Q: What are the possible solutions for burning of waste due to absences of garbage collector.

A: Waste management is an important facet in todays life considering the rapid in crease in…

Q: Discuss the process of purifying drinking water and the importance of each step in the removal of…

A: Purification of water includes the removal of harmful substances from it.

Q: Describe and evaluate pollution management strategies for acid deposition.

A: Corrosive rain specifically influences the chemical and pH equalizations in ground water. The…

Q: Why is it good to divert yard waste and organic material from the general waste stream?

A: Composting is an aerobic method of decomposing organic solid wastes. Thus it can be used to recycle…

Q: Which of the following treatments of sewage involves the use of anaerobic bacteria? A. Primary…

A: Sludge digester is a biological process where organic substances are decomposed and finally stable.

Q: State four reasons why even degradable contaminants ten to persist in groundwater

A: Degradable wastes or pollutant such as discarded vegetables or domestic sewage do not need any…

Physical and Chemical features

The physical property of a compound could be determined without modifying the originality of the compound. Examples of physical properties are density, hardness, color, boiling, and melting point. The chemical property expresses the ability of a compound to undergo a particular chemical change.