Liberation of `H_(2)S`/foul smell in water of tanks, ponds, etc is due to

Liberation of `H_(2)S`/foul smell in water of tanks, ponds, etc is due to
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Answer :

Liberation of `H_(2)S`/foul smell in water of tanks, ponds, etc is due to A. Anaerobiosis B. Aerobiosis C. Psammophytes D. Biological magnification
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Consider the following statements: 1. Malaria can be contained with the introduction of larvicidal fish, gambusia, in ponds, tanks and puddles. 2. Gambusia is highly specific in devouring larvae of female anopheline mosquitoes. Which of the above statements are true? (a) 1, 2 (b) 1 only (c) 2 only (d) Neither of the two

Description : Consider the following statements: 1. Malaria can be contained with the introduction of larvicidal fish, gambusia, in ponds, tanks and puddles. 2. Gambusia is highly specific in devouring larvae of female anopheline mosquitoes. Which ... true? (a) 1, 2 (b) 1 only (c) 2 only (d) Neither of the two

Last Answer : Ans:(b)

Pick up the incorrect statement from the following: A. Septic tanks are horizontal continuous flow type of sedimentation tanks B. Septic tanks are generally provided a detention period of 12 to 36 hours C. Septic tanks are completely covered and high vent shafts are provided for the escape of foul gases D. None of these

Description : Pick up the incorrect statement from the following: A. Septic tanks are horizontal continuous flow type of sedimentation tanks B. Septic tanks are generally provided a detention period of 12 to 36 hours C ... covered and high vent shafts are provided for the escape of foul gases D. None of these

Last Answer : ANS: D

The foul smell of kernel bunt infected field is due to

Description : The foul smell of kernel bunt infected field is due to

Last Answer : Ans. Trimethyl-amine

Prominent foul smell of Karnal bunt is due to (A) Trienthyl amine (B) Trimethyl amine (C) Dimethyl amine (D) None

Description : Prominent foul smell of Karnal bunt is due to (A) Trienthyl amine (B) Trimethyl amine (C) Dimethyl amine (D) None

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__________ is removed from water by lime-soda process. (A) Foul smell and taste (B) Iron and manganese (C) Temporary hardness (D) Permanent hardness

Description : __________ is removed from water by lime-soda process. (A) Foul smell and taste (B) Iron and manganese (C) Temporary hardness (D) Permanent hardness

Last Answer : (C) Temporary hardness

An aromatic amine (X) was treated with alcoholic potash and another compound (Y) when foul smelling gas was formed `C_(6)H_(5)NC`. The compound (Y) wa

Description : An aromatic amine (X) was treated with alcoholic potash and another compound (Y) when foul smelling gas was formed `C_(6)H_(5)NC`. The compound (Y) wa

Last Answer : An aromatic amine (X) was treated with alcoholic potash and another compound (Y) when foul smelling gas was formed `C_ ... 3)OH` D. `C_(6)H_(5)NH_(2)`

Why does my mouth smell so foul?

Description : Why does my mouth smell so foul?

Last Answer : You can brush 20 times a day. If you do not floss daily, there will be all sorts of bacterial biofilm between your teeth. The germs live, die and go to the bathroom there. No wonder it smells.

My friend, years ago, had a box filled with herbs, a foul smell would fill the room when you opened the box, what herbs could these have been?

Description : My friend, years ago, had a box filled with herbs, a foul smell would fill the room when you opened the box, what herbs could these have been?

Last Answer : answer:My guess would be Asafoetida-it is used a lot in middle eastern cooking (giant fennel). Tastes great after you cook it, but it stinks to high heaven before cooked. It is a smell that would go ... Latin, I think, and is the same as the English root for fetid (having a heavily offensive smell).

For the past couple days I have noticed a foul smell in my living room then it went to my bedroom now its in the kitchen and I can't seem to locate it. It smells like dog po. I have a dog but he is a outside dog.I can't detect it at all. I carpet clean?

Description : For the past couple days I have noticed a foul smell in my living room then it went to my bedroom now its in the kitchen and I can't seem to locate it. It smells like dog po. I have a dog but he is a outside dog.I can't detect it at all. I carpet clean?

Last Answer : For the past couple days I have noticed a foul smell in my living room then it went to my bedroom now its in the kitchen and I can't seem to locate it. It smells like dog Sh*t. I have a dog ... I could do to narrow this down? I am going crazy over this. Thanks.its more like rotten eggs or a reall

What is a red highly reactive fuming liquid with a foul smell?

Description : What is a red highly reactive fuming liquid with a foul smell?

Last Answer : bromine

The process in which oils undergo oxidation and produce a foul smell is called

Description : The process in which oils undergo oxidation and produce a foul smell is called

Last Answer : rancidity.

(a) create worse situation (b) emit bad smell and cause pollution (c) give foul smell and lead to accidents (d) create air pollution

Description : (a) create worse situation (b) emit bad smell and cause pollution (c) give foul smell and lead to accidents (d) create air pollution

Last Answer : (b) emit bad smell and cause pollution

Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal (A) By chemical coagulation (B) In sedimentation tanks equipped with mechanical scrapper (C) In vacuum filter (D) In clarifiers

Description : Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal (A) By chemical coagulation (B) In sedimentation tanks equipped with mechanical scrapper (C) In vacuum filter (D) In clarifiers

Last Answer : (B) In sedimentation tanks equipped with mechanical scrapper

Marine teleosts, undergoing putrefaction, emit sharp characteristic foul odor, which is due to the production of

Description : Marine teleosts, undergoing putrefaction, emit sharp characteristic foul odor, which is due to the production of

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Old Mr. Tilly was found dead in his study by Mr. Foster. Mr. Foster recounted his dismal discovery to the police. 'I was walking by Mr. Tilly`s house when I thought I would just pop in for a visit. I noticed his study light was on and I decided to peek in from the outside to see if he was in there. There was frost on the window, so I had to wipe it away to see inside. That is when I saw his body. So I kicked in the front door to confirm my suspicions of foul play. I called the police immediately afterward.' The officer immediately arrested Mr. Foster for the murder of Mr. Tilly. How did he know Mr. Foster was lying? -Riddles

Description : Old Mr. Tilly was found dead in his study by Mr. Foster. Mr. Foster recounted his dismal discovery to the police. 'I was walking by Mr. Tilly`s house when I thought I would just pop in for a ... arrested Mr. Foster for the murder of Mr. Tilly. How did he know Mr. Foster was lying? -Riddles

Last Answer : Frost forms on the inside of the window, not the outside. So Mr. Foster could not have wiped it off to discover Mr. Tilly`s body.

A liquid was mixed with ethanol and a drop of concentrated `H_(2)SO_(4)` was added. A compound with a fruity smell was formed. The liquid was

Description : A liquid was mixed with ethanol and a drop of concentrated `H_(2)SO_(4)` was added. A compound with a fruity smell was formed. The liquid was

Last Answer : A liquid was mixed with ethanol and a drop of concentrated `H_(2)SO_(4)` was added. A compound with a fruity ... )` C. `cH_(3)COOH` D. `CH_(3)OH`

`[X]+H_(2)SO_(4) rarr [Y]` a colourless gas with irritating smell `[Y] + K_(2)Cr_(2)O_(7) + H_(2)SO_(4) rarr` green solution `[X]` and `[Y]` are

Description : `[X]+H_(2)SO_(4) rarr [Y]` a colourless gas with irritating smell `[Y] + K_(2)Cr_(2)O_(7) + H_(2)SO_(4) rarr` green solution `[X]` and `[Y]` are

Last Answer : `[X]+H_(2)SO_(4) rarr [Y]` a colourless gas with irritating smell `[Y] + K_(2)Cr_(2)O_(7) + H_(2)SO_(4) rarr ... 2-), H_(2)S` D. `CO_(3)^(2-), CO_(2)`

The liberation of oxygen during photosynthesis is due to - (1) hydrolysis of carbohydrates (2) photolysis of water (3) reduction of CO2 (4) breakdown of chlorophyll

Description : The liberation of oxygen during photosynthesis is due to - (1) hydrolysis of carbohydrates (2) photolysis of water (3) reduction of CO2 (4) breakdown of chlorophyll

Last Answer : (2) photolysis of water Explanation: In the process of photosynthesis, oxygen is produced from the photolysis of water. The photolysis of water occurs when light is used to renew split water and ... , also referred to as ATP. The hydrogen remains in the leaf and participates in further reactions.

The liberation of oxygen during photosynthesis is due to (1) hydrolysis of carbohydrates (2) photolysis of water (3) reduction of CO2 (4) breakdown of chlorophyll

Description : The liberation of oxygen during photosynthesis is due to (1) hydrolysis of carbohydrates (2) photolysis of water (3) reduction of CO2 (4) breakdown of chlorophyll

Last Answer : photolysis of water

What is the slimy green patches in ponds or in stagnant water? -Biology

Description : What is the slimy green patches in ponds or in stagnant water? -Biology

Last Answer : These are generally formed by growth of organisms called algae.

Ponds can be divided into how many parts based on water stability ?

Description : Ponds can be divided into how many parts based on water stability ?

Last Answer : Ponds can be divided into two parts based on water stability.

The largest reservoir of fresh water is : (1) Glaciers (2) Ground Water (3) Ponds (4) Lakes

Description : The largest reservoir of fresh water is : (1) Glaciers (2) Ground Water (3) Ponds (4) Lakes

Last Answer : (1) Glaciers Explanation: The largest water reservoir is the ocean, containing 97.3% of all water on Earth. Only 2.8 % of all the water on Planet Earth is fresh water. Three-quarters of all ... ice is the second largest reservoir of water on Earth and the largest reservoir of fresh water on Earth!

Assertion A. : Discharging the effluents from the oxidation ponds just up stream of lakes or reservoirs is undesirable. Reason (R) : The discharged algae get settled in the reservoirs and cause anaerobic decomposition and other water qualities. A. Both A and R are true and R is the correct explanation of A B. Both A and R are true but R is not a correct explanation of A C. A is true but R is false D. A is false but R is true

Description : Assertion A. : Discharging the effluents from the oxidation ponds just up stream of lakes or reservoirs is undesirable. Reason (R) : The discharged algae get settled in the reservoirs and cause anaerobic decomposition and other ... of A C. A is true but R is false D. A is false but R is true

Last Answer : ANS: A

Aerobic biological oxidation ponds used for the purification of polluted water (A) Destroys/removes pathogen from the sewage (B) Is not very effective for non-biodegradable substances (e.g. ABS) containing effluents (C) Destroys/removes pathogen much more effectively if the sewage is chlorinated (D) All (A), (B) & (C)

Description : Aerobic biological oxidation ponds used for the purification of polluted water (A) Destroys/removes pathogen from the sewage (B) Is not very effective for non-biodegradable substances (e.g. ABS) containing effluents (C) ... much more effectively if the sewage is chlorinated (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in (A) Coagulation and flocculation of colloids (B) Oxidation of carbonaceous matter to CO2 (C) Nitrification or oxidation of ammonia derived from breakdown of nitrogenous organic matter to the nitrite and eventually to the nitrate (D) All (A), (B) and (C)

Description : Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in (A) Coagulation and flocculation of colloids (B) Oxidation of carbonaceous matter to CO2 (C) ... to the nitrite and eventually to the nitrate (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

Biological oxidation ponds remove organic matters present in the polluted water by (A) Using the activities of bacteria and other micro organisms (B) Aerobic oxidation (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Biological oxidation ponds remove organic matters present in the polluted water by (A) Using the activities of bacteria and other micro organisms (B) Aerobic oxidation (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) & (B)

Lagoons used for purification of polluted water (A) Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds (B) Use micro-organisms/bacteria in presence of dissolved oxygen (C) Gives an excellent final effluent (with 3 to 4 lagoons arranged in series) having suspended solid < 1 mg/litre and BOD = 3.8 mg/litre (D) All (A), (B) & (C)

Description : Lagoons used for purification of polluted water (A) Are large shallow artificial lakes also known as clarification lakes, maturation ponds or oxidation ponds (B) Use micro-organisms/bacteria in presence of dissolved oxygen (C) Gives an ... 1 mg/litre and BOD = 3.8 mg/litre (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes (A) Foaming(B) Odour nuisances(C) Undesirable plant growth(D) Turbidity

Description : Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes (A) Foaming (B) Odour nuisances (C) Undesirable plant growth (D) Turbidity

Last Answer : (C) Undesirable plant growth

Most important source of water for public water supply, is from (A) Lakes (B) Ponds (C) Streams (D) Rivers

Description : Most important source of water for public water supply, is from (A) Lakes (B) Ponds (C) Streams (D) Rivers

Last Answer : (D) Rivers

Pick up the incorrect statement from the following. The source of surface water is from (A) Streams and rivers (B) Storage reservoirs (C) Springs (D) Ponds and lakes

Description : Pick up the incorrect statement from the following. The source of surface water is from  (A) Streams and rivers  (B) Storage reservoirs  (C) Springs  (D) Ponds and lakes 

Last Answer : (C) Springs 

How fishes remain alive under frozen water (ice) ponds?

Description : How fishes remain alive under frozen water (ice) ponds?

Last Answer : When water freezes into ice, the empty spaces are left between water molecules, due to hydrogen bonding. So as a result ice becomes lighter then water and start floating on surface of water. It is also non-conductor of heat, so water beneath it doesn’t freezes and fishes remain alive under it.

The largest reservoir of fresh water is : (1) Glaciers (2) Ground Water (3) Ponds (4) Lakes

Description : The largest reservoir of fresh water is : (1) Glaciers (2) Ground Water (3) Ponds (4) Lakes

Last Answer : Glaciers

The sewage treatment in septic tanks is due to A. Anaerobic decomposition B. Aerobic decomposition C. Parasitic decomposition D. None of these

Description : The sewage treatment in septic tanks is due to A. Anaerobic decomposition B. Aerobic decomposition C. Parasitic decomposition D. None of these

Last Answer : ANS: A

How does rainy weather affect ponds?

Description : How does rainy weather affect ponds?

Last Answer : Depending on your soil heavy rain may produce runoff, and drain into the pool or raise the water table, which raises the water level in your pond. Dry weather does just the opposite. Oh, I forgot on the earlier question: Welcome to fluther.

in many places how can drinking from rivers and ponds affect a persons health?

Description : in many places how can drinking from rivers and ponds affect a persons health?

Last Answer : Water in rivers, ponds, lakes are polluted. They can haveparasites, animal waste, oil, human waste, pollution from upstreamindustry, dumping of chemicals , and a million other things.

Can Boys Use Ponds White Beuty Cream ?

Description : Can Boys Use Ponds White Beuty Cream ?

Last Answer : Can't use no. This cream is only suitable for girls.

How many types of ponds ?

Last Answer : 3 types of ponds.

What is the percentage of fish produced from ponds in Bangladesh ?

Last Answer : 56 percent of the fish produced comes from ponds in Bangladesh.

Which organization has termed the incident of fish farming in ponds of the country as ' Blue Revolution ' ?

Last Answer : International Full Policy Research Institute (IFPRI), an international organization on food policy.

Is 4000 ponds greater than 2 tons?

Description : Is 4000 ponds greater than 2 tons?

Last Answer : 4000 pounds = 2 tons

How can drinking from most rivers and ponds affect a person's health?

Description : How can drinking from most rivers and ponds affect a person's health?

Last Answer : It contains poisonous chemicals that imperils your lives.

What is the difference between streams and rivers and ponds and lakes?

Description : What is the difference between streams and rivers and ponds and lakes?

Last Answer : Streams and rivers flow down a long path and ponds and lakesstay in one place and not flowing like streams and rivers.

What is grater 5 tons or 12000 ponds?

Description : What is grater 5 tons or 12000 ponds?

Last Answer : 5 tons

How Many home cleaning products contain phosphates. If wastewater containing excess phosphates drains into a pond the phosphates encourage the growth of algae. How might this change in a pond's ecosys?

Description : How Many home cleaning products contain phosphates. If wastewater containing excess phosphates drains into a pond the phosphates encourage the growth of algae. How might this change in a pond's ecosys?

Last Answer : other water plants might have less light to help them grow, some algae produce toxins, so the water could be poisoned, fish, like carp, that eat algae will have more food.

How does physical topography of the area made easy to construct the ponds?

Description : How does physical topography of the area made easy to construct the ponds?

Last Answer : What is the answer ?

How can drinking from rivers and ponds affect a persons health?

Description : How can drinking from rivers and ponds affect a persons health?

Last Answer : It contains poisonous chemicals that imperils your lives.

What hull type is best used on ponds?

Description : What hull type is best used on ponds?

Last Answer : Need answer

What is the benefit of ponds filters?

Description : What is the benefit of ponds filters?

Last Answer : There are many benefits of using pond filters. For one it will filter out all the bacteria that causes algae in ponds and it will make it a better living environment for the animals living in the pond.

The release of which of the following into ponds and wells helps in controlling mosquitoes? (1) Snaii (2) Crab (3) Dogfish (4) Gambusia fish

Description : The release of which of the following into ponds and wells helps in controlling mosquitoes? (1) Snaii (2) Crab (3) Dogfish (4) Gambusia fish

Last Answer : (4) Gambusia fish Explanation: The Gambusia fish, also known as mosquito fish, feeds on the larvae of mosquitoes. So it helps in controlling their population. Mosquito fish were ... to lower mosquito populations which in turn negatively affected many other species in each distinct bioregion.