Chapter 18
It's about wastewater
1. Fill in the blanks-
(a) Water-treatment is a solvent extraction process.
(b) Drinking water outside the house .
(c) Dry matter is used in composting.
(d) Drains may become clogged with oil and grease .
2) What is Nalare Olay Joa Putijal ? Putizal Upachara Nakrakai in rivers or seas
Explain why this is wrong.
Ans: - Nalare ola joa putijal is a barjit pani or malion thaka pani.
I know that sewage is a complex mixture of organic and inorganic impurities, nutrients, parasites and disease-carrying bacteria and other microorganisms, which are harmful to rivers, lakes, and oceans.
3) What should not be added to oil and fatty material ? explain
Answer:- Nardamalai should not use cooking oil and fatty substances. They can be pulled or pulled off. Clogged drains also clog soil pores with organic matter, reducing the infiltration capacity of groundwater. Oil and fatty substances should be collected in dustbins.
4) Describe the levels of pure water after excluded mulled water.
Answer:- 1. Exclusions are carried out on the outside of the water barrier. Scrap paper, cotton, wood chips, Tema, plastic beads are used as unnecessary waste materials.
2. After this, water and fine silt and sand are deposited in the Choubachcha river. Sand, fine silt, and silt particles that can penetrate the bottom to slow down the flow of water.
3. After this, it is divided into the middle and it is called Dang's watercourse. In faeces, the entire material is collected under the gills and then removed through the mouthpiece. Oil and oil-like substances are checked for unnecessary substances above the level. Clean water bowls are used for drinking water. Mulion sludge is transferred to separate aquifers where anaerobic bacteria decompose the sediments.Biogases producedin this processare used as fuel or to generate electricity
4. Aeration is pumped into the clean water tank for the growth of aerobic bacteria. Water wasps also absorb human excrement, discarded food, chewing gum and other unwanted substances into bacteria.
5) What is Molion Boka / Ged ? Yak purchases are paid for ?
Ans: - Faeces, excrement, the whole material is ingested through the beak. This is a million fools.
Exclusions are carried out on the outside of the water barrier. Scrap paper, cotton, wood chips, Tema, plastic beads are used as unnecessary waste materials. After this, water and fine silt and sand are deposited in the Choubachcha river. Sand, fine silt, and silt particles that can penetrate the bottom to slow down the flow of water. It is said to reducethe water level of the watercourse in the middle of the year.In yak faeces, the entire material is absorbed by the body and this body is swallowed and swallowed by the yak's beak.
6) " Any method of disposal is hazardous to the health of human excreta-urine. " Explanation.
Ans:- Most of our people are living in mud, dried Jowa river, railway line, road crossing and many times drinking poonpatiyakoi faeces. Bad for health. It can cause water and soil pollution Surface water and underground water are polluted in two ways. Groundwater is the source of wells, dams, springs, and many rivers . Water acts as a carrier for water related diseases. These waterborne diseases include cholera, typhoid, polio, meningitis, hepatitis and epilepsy.
7) Name two chemicals used to disinfect water .
Ans:- The names of two chemicals used to disinfect water are chlorine and chlorine.
8) What are the proposed water treatment barriers ? explain
Ans: - Exclusions are carried out on the outside of the water barrier. Unnecessary materials such as cardboard, cotton, wood chips, Tema, plastic, etc. are thrown away.
9) To explain the relationship between Anamay and disease.
Ans:- Many diseases are caused by improper sanitation and contaminated drinking water.
Most of our people are living in mud, dried up rivers, rail lines, road crossings and many times drinking poonpatiyakoi faeces. Bad for health. It can cause water and soil pollution Surface water and underground water are polluted in two ways. Groundwater is the source of wells, dams, springs, and many rivers . Water acts as a carrier for water related diseases. These waterborne diseases include cholera, typhoid, polio, meningitis, hepatitis and epilepsy.
10) What is your role in the effective citizen support system ? Scribbled
Ans:- I can press the municipal or gaon panchayat money for effective citizen support. Get solid action by capping open drains. If you clean the area with non-sterilized drink in the pipe after the house, please think about the health of everyone.
11) This is written in a series of words:
1 | |||||
2 | |||||
Gay 3 | |||||
4 | F | 5 | |||
6 | |||||
7 | O | ||||
(3) Waste water treatment The final product of the proposed process is material that is dried and used as fertilizer.
(4) Excluded water is a nutrient.
(7) The process of removing harmful and unwanted substances from water.
Thiakoi
(1) Human excrement produced by modern technology is a fossil fuel.
(2) A waterborne disease.
(5) Modern lavatories of the type used in airplanes.
(6) A chemical substance used as a disinfectant in drinking water.
12) Read the following quotations about A
(a) It is necessary for life's ups and downs.
(b) Water is used as a disinfectant.
(c) It absorbs ultra violet rays.
(d) Air-to-water ratio of about 3 %.
Answer: (b) Water is used as a disinfectant.
