The process used in the desalination of sea water is (a) osmosis (b) reverse osmosis (c) electrophoresis (d) distillation

The process used in the desalination of sea water is (a) osmosis (b) reverse osmosis (c) electrophoresis (d) distillation
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__________ is the separation technique used for desalination of sea water.(A) Thermal diffusion (B) Reverse osmosis (C) Adsorption (D) Absorption

Description : __________ is the separation technique used for desalination of sea water. (A) Thermal diffusion (B) Reverse osmosis (C) Adsorption (D) Absorption

Last Answer : (B) Reverse osmosis

Reverse osmosis is normally used for the (A) Separation of isotopes of uranium from gaseous uranium hexafluoride (B) Separation of helium from natural gas (C) Desalination of brackish water to produce potable (drinking) water (D) Purification of oxygen

Description : Reverse osmosis is normally used for the (A) Separation of isotopes of uranium from gaseous uranium hexafluoride (B) Separation of helium from natural gas (C) Desalination of brackish water to produce potable (drinking) water (D) Purification of oxygen

Last Answer : (C) Desalination of brackish water to produce potable (drinking) water

Desalination of water (A) Makes it potable (B) Makes it non-potable (C) Means distillation of water (D) None of these

Description : Desalination of water (A) Makes it potable (B) Makes it non-potable (C) Means distillation of water (D) None of these

Last Answer : (A) Makes it potable

In the process of dialysis, used on patients with affected kidneys, the phenomenon involved is (a) diffusion (b) absorption (c) osmosis (d) electrophoresis

Description : In the process of dialysis, used on patients with affected kidneys, the phenomenon involved is (a) diffusion (b) absorption (c) osmosis (d) electrophoresis

Last Answer : Ans:(c)

In the process of dialysis, used on patients with affected kidneys, the phenomenon involved is (1) Diffusion (2) Absorption (3) Osmosis (4) Electrophoresis

Description : In the process of dialysis, used on patients with affected kidneys, the phenomenon involved is (1) Diffusion (2) Absorption (3) Osmosis (4) Electrophoresis

Last Answer : (3) Osmosis Explanation: Dialysis is the artificial process of getting rid of waste (diffusion) and unwanted water (ultrafiltration) from the blood. This process is naturally done by our kidneys. It ... it results in osmotic pressure which causes the fluid to move from the blood into the dialysate.

In the process of dialysis, used on patients with affected kidneys, the phenomenon involved is (1) Diffusion(2) Absorption (3) Osmosis (4) Electrophoresis

Description : In the process of dialysis, used on patients with affected kidneys, the phenomenon involved is (1) Diffusion(2) Absorption (3) Osmosis (4) Electrophoresis

Last Answer : Osmosis

Economic feasibility study of membrane separation process for sea water desalination

Description : Economic feasibility study of membrane separation process for sea water desalination

Last Answer : Reverse osmosis (RO) membranes are the leading technology for desalination of sea water because of their strong separation capabilities and exhibiting a great potential for treatment of waters worldwide A ... devices play vital role in cost-effective production of fresh water by RO desalination.

Separation of fresh water from sea water can be done by the __________ operation. (A) Osmosis (B) Reverse osmosis (C) Absorption (D) Adsorption

Description : Separation of fresh water from sea water can be done by the __________ operation. (A) Osmosis (B) Reverse osmosis (C) Absorption (D) Adsorption

Last Answer : (B) Reverse osmosis

Brackish water which contains mostly dissolved salt, can be purified by the __________ process. (A) Reverse osmosis (B) Sand filter(C) Lime soda(D) Permutit

Description : Brackish water which contains mostly dissolved salt, can be purified by the __________ process. (A) Reverse osmosis (B) Sand filter (C) Lime soda (D) Permutit

Last Answer : (A) Reverse osmosis

The process employing desorption of the absorbed solute by a solvent is called (A) Elution (B) Osmosis (C) Reverse osmosis (D) Sublimation

Description : The process employing desorption of the absorbed solute by a solvent is called (A) Elution (B) Osmosis (C) Reverse osmosis (D) Sublimation

Last Answer : (A) Elution

Differentiate between reverse osmosis membrane process with ultra filtration membrane

Description : Differentiate between reverse osmosis membrane process with ultra filtration membrane

Last Answer : The main difference between reverse osmosis and ultrafiltration is that ultrafiltration membranes have larger pore sizes than reverse osmosis membranes, ranging from 1 to 100 nm. Ultrafiltration membranes are ... uses a hollow fiber membrane to stop solid debris and microscopic contaminants.

Principle of reverse osmosis process

Description : Principle of reverse osmosis process

Last Answer : When two solutions of unequal concentrations are separated by a semi permeable membrane and if a hydrostatic pressure in excess of osmotic pressure is applied on the concentrate side, the solvent is forced to move ... ranges of these membranes are pH of 2 to 12 and temperatures of 0°C to 40°C.

Which of the following statement is false (a). Enzymes are differentiated by electrophoresis method (b). While DNA sequencing both forward and reverse primers are used (c). Amplification is done through PCR (d). ABO blood grouping is mainly used for differentiating individuals

Description : Which of the following statement is false (a). Enzymes are differentiated by electrophoresis method (b). While DNA sequencing both forward and reverse primers are used (c). Amplification is done through PCR (d). ABO blood grouping is mainly used for differentiating individuals

Last Answer : Ans: (b). While DNA sequencing both forward and reverse primers are used 

Desalination process ……………….. 

Description : Desalination process ……………….. 

Last Answer : Choose the correct option by identifying the correct correlation in the sentence: Desalination process ... is the removal of seaweeds from sea water

The process by which a substance absorbs moisture upon exposure to the atmosphere is called: w) efflorescence x) deliquescence y) dehydrogenation z) desalination

Description : The process by which a substance absorbs moisture upon exposure to the atmosphere is called: w) efflorescence x) deliquescence y) dehydrogenation z) desalination 

Last Answer : ANSWER: X -- DELIQUESCENCE

I currently haul reverse-osmosis filtered water from the grocery store to my house in 1-gallon glass jugs. Is there a better way?

Description : I currently haul reverse-osmosis filtered water from the grocery store to my house in 1-gallon glass jugs. Is there a better way?

Last Answer : Have a system installed in your house. You will find it cleaner and purer then the stuff you are getting at the store. It does not come cheep. But, how important is your health?

What are the benefits of reverse osmosis systems in purifying water?

Description : What are the benefits of reverse osmosis systems in purifying water?

Last Answer : Reverse osmosis is a membrane technical filtration method that removes many types of large molecules and ions from solutions by applying pressure to the solution when it is on one side of a selective membrane.

How much does a reverse osmosis water system cost?

Description : How much does a reverse osmosis water system cost?

Last Answer : You can buy a cheap reverse osmosis water system at most large multi purpose chain retail stores, for example Costco, where an average price for a reverse osmosis system is around 160 dollars.

Which of the following is the treatment of water pollution? (1) Bag house filter (2) Windrow composting (3) Venturi scrubber (4) Reverse Osmosis

Description : Which of the following is the treatment of water pollution? (1) Bag house filter (2) Windrow composting (3) Venturi scrubber (4) Reverse Osmosis

Last Answer : (4) Reverse Osmosis Explanation: Reverse osmosis (RO) is a water purification technology that uses a semipermeable membrane to remove ions, molecules, and larger particles from drinking water. It can ... of potable water. It is most commonly known for its use in drinking water purification form.

Which of the following is the treatment of water pollution? (1) Bag house filter (2) Windrow composting (3) Venturi scrubber (4) Reverse Osmosis

Description : Which of the following is the treatment of water pollution? (1) Bag house filter (2) Windrow composting (3) Venturi scrubber (4) Reverse Osmosis

Last Answer :  Reverse Osmosis

We have a Reverse Osmosis and every few years we have to replace the bladder in the tank...(rest in details)

Description : We have a Reverse Osmosis and every few years we have to replace the bladder in the tank...(rest in details)

Last Answer : If there is chlorine in your water, that could do it. You may want to change your pre-filter in your RO to something with activated carbon. You may also want to have your RO tested to make sure it is still working correctly.

The working principle of a washing machine is? A. Diffusion B. Reverse osmosis C. Dialysis D. Centrifugation

Description : The working principle of a washing machine is? A. Diffusion B. Reverse osmosis C. Dialysis D. Centrifugation

Last Answer : ANSWER: D

The washing machine works on the principle of – (1) Dialysis (2) Diffusion (3) Reverse osmosis (4) Centrifugation

Description : The washing machine works on the principle of – (1) Dialysis (2) Diffusion (3) Reverse osmosis (4) Centrifugation

Last Answer : (4) Centrifugation Explanation: Washing machines work on the principle of centrifugation. They are based on medium sized centrifuges that put an object in rotation around a fixed axis, applying force perpendicular to the axis.

The working principle of a washing machine is : (1) centrifugation (2) dialysis (3) reverse osmosis (4) diffusion

Description : The working principle of a washing machine is : (1) centrifugation (2) dialysis (3) reverse osmosis (4) diffusion

Last Answer : (1) centrifugation Explanation: The working of the washing machine is quite high tech, and includes a set sequence of washing, rinsing, and spinning (plus a pre-wash if desired).

The washing machine works on the principle of - (1) Dialysis (2) Diffusion (3) Reverse osmosis (4) Centrifugation

Description : The washing machine works on the principle of - (1) Dialysis (2) Diffusion (3) Reverse osmosis (4) Centrifugation

Last Answer : (4) Centrifugation Explanation: Washing machines work on the principle of centrifugation. They are based on medium sized centrifuges that put an object in rotation around a fixed axis, applying force perpendicular to the axis.

The working principle of a 'Washing machine' is : (1) centrifugation (2) dialysis (3) reverse osmosis (4) diffusion

Description : The working principle of a 'Washing machine' is : (1) centrifugation (2) dialysis (3) reverse osmosis (4) diffusion

Last Answer : (1) centrifugation Explanation: The principle behind the spinning dry of the clothes in a washing machine is centrifugal force. The fast spinning around of the clothes in the drum creates a large ... wet clothes are flung outwards to the drum edge and the water escapes through the drum holes.

Separation of the isotopes of helium for scientific investigations is done by (A) Reverse osmosis (B) Thermal diffusion (C) Leaching (D) Solvent extraction

Description : Separation of the isotopes of helium for scientific investigations is done by (A) Reverse osmosis (B) Thermal diffusion (C) Leaching (D) Solvent extraction

Last Answer : (B) Thermal diffusion

Reverse osmosis is also called (A) Dialysis (B) Electrodialysis (C) Diffusion (D) Ultra-filtration

Description : Reverse osmosis is also called (A) Dialysis (B) Electrodialysis (C) Diffusion (D) Ultra-filtration

Last Answer : (D) Ultra-filtration

Mention a large scale use of the phenomenon called reverse osmosis

Description : Mention a large scale use of the phenomenon called reverse osmosis

Last Answer : Ans:- In desalination of sea water. 

The washing machine works on the principle of (1) Dialysis (2) Diffusion (3) Reverse osmosis (4) Centrifugation

Description : The washing machine works on the principle of (1) Dialysis (2) Diffusion (3) Reverse osmosis (4) Centrifugation

Last Answer : Centrifugation

Agarose extracted from sea weeds is used in (a) spectrophotometry (b) tissue culture (c) PCR (d) gel electrophoresis

Description : Agarose extracted from sea weeds is used in (a) spectrophotometry (b) tissue culture (c) PCR (d) gel electrophoresis

Last Answer : (d) gel electrophoresis.

The device used in drying of food grains and vegetables, seasoning of wood, desalination of marine water is

Description : The device used in drying of food grains and vegetables, seasoning of wood, desalination of marine water is

Last Answer : solar heater.

Why there are not more desalination plants for fresh water as oppose to sucking the groundwater dry?

Description : Why there are not more desalination plants for fresh water as oppose to sucking the groundwater dry?

Last Answer : Because it is cheaper to drain the groundwater than building a desalination plant. It all goes down to profit.

Sea water can be purified by the process of – (1) distillation (2) evaporation (3) filtration (4) fractional distillation

Description : Sea water can be purified by the process of – (1) distillation (2) evaporation (3) filtration (4) fractional distillation

Last Answer : (1) distillation Explanation: The traditional process used in desalination operations is vacuum distillation- essentially the boiling of water at less than atmospheric pressure and thus a much ... when the vapor pressure equals the ambient pressure and vapor pressure increases with temperature.

Sea water can be purified by the process of (1) distillation (2) evaporation (3) filtration (4) fractional distillation

Description : Sea water can be purified by the process of (1) distillation (2) evaporation (3) filtration (4) fractional distillation

Last Answer : distillation

Desalination: Are you for or against it?

Description : Desalination: Are you for or against it?

Last Answer : For. Drinking saltwater can kill you.

Write short note on: Desalination

Description : Write short note on: Desalination

Last Answer : Write short note on: Desalination

Thermo-compressor is commonly used for a) compressing hot air b) flash steam recovery c) distillation d) reverse compression of CO2

Description : Thermo-compressor is commonly used for a) compressing hot air b) flash steam recovery c) distillation d) reverse compression of CO2

Last Answer : flash steam recovery

Why is distillation used to separate sea water instead of filtration?

Description : Why is distillation used to separate sea water instead of filtration?

Last Answer : Dissolved salts are not separated by filtration.

In plants water is absorbed by the root hairs by a process called: (1) Transpiration (2) Respiration (3) Perspiration (4) Osmosis

Description : In plants water is absorbed by the root hairs by a process called: (1) Transpiration (2) Respiration (3) Perspiration (4) Osmosis

Last Answer : (4) Osmosis Explanation: Plants absorb water from their root hairs on the root via osmosis. It is then transported to other parts of the plant. (through the network of xylem vessels) through a combination of capillary action and "transiprational pull".

The process of osmosis is best illustrated by the movement of: a) salts in blood stream. b) oxygen into red blood cells. c) carbon dioxide through stomata. d) water into root hair cells.

Description : The process of osmosis is best illustrated by the movement of: a) salts in blood stream. b) oxygen into red blood cells. c) carbon dioxide through stomata. d) water into root hair cells.

Last Answer : ANSWER: D -- WATER INTO ROOT HAIR CELLS.

In plants water is absorbed by the root hairs by a process called: (1) Transpiration (2) Respiration (3) Perspiration (4) Osmosis

Description : In plants water is absorbed by the root hairs by a process called: (1) Transpiration (2) Respiration (3) Perspiration (4) Osmosis

Last Answer : Osmosis

The process of electroplating involves (a) electrolysis (b) dialysis (c) osmosis (d) decomposition

Description : The process of electroplating involves (a) electrolysis (b) dialysis (c) osmosis (d) decomposition

Last Answer : Ans:(a)

Explain the process of osmosis with the help of an example. -Biology

Description : Explain the process of osmosis with the help of an example. -Biology

Last Answer : Something similar to this happens in cells when, for example some substances like carbon dioxide (which is cellular waste and requires to be excreted out by the cell) accumulates in high ... important role in gases exchange between the cell as well as the cell and its external environment

If useful products are released from the cell, the process is known as: B A. Excretion B. Secretion C. Osmosis D. Sweating

Description : If useful products are released from the cell, the process is known as:  B A. Excretion B. Secretion C. Osmosis D. Sweating

Last Answer : Secretion

If useful products are released from the cell, the process is known as: B A. Excretion B. Secretion C. Osmosis D. Sweating

Description : If useful products are released from the cell, the process is known as: B A. Excretion B. Secretion C. Osmosis D. Sweating

Last Answer : Secretion

The process of diffusion of one liquid into the other through a semi permeable membrane is called (A) Viscosity (B) Osmosis (C) Surface tension (D) Cohesion

Description : The process of diffusion of one liquid into the other through a semi permeable membrane is called (A) Viscosity (B) Osmosis (C) Surface tension (D) Cohesion

Last Answer : Answer: Option B

Sodium ions are "pumped" from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of (A) Diffusion (B) Passive transport (C) Osmosis (D) Active transport

Description : Sodium ions are "pumped" from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of (A) Diffusion (B) Passive transport (C) Osmosis (D) Active transport

Last Answer : (D) Active transport

Substances insoluble in a membrane are carried across the membrane with the concentration gradient by means of a carrier molecule in a process known as: a) osmosis. b) diffusion. c) active transport. d) facilitated diffusion.

Description : Substances insoluble in a membrane are carried across the membrane with the concentration gradient by means of a carrier molecule in a process known as: a) osmosis. b) diffusion. c) active transport. d) facilitated diffusion.

Last Answer : ANSWER: D -- FACILITATED DIFFUSION.

The name of the process by which oil glands in mammalian skins secrete oils is: a) active transport b) apocrine secretion c) holocrine secretion d) osmosis

Description : The name of the process by which oil glands in mammalian skins secrete oils is: a) active transport b) apocrine secretion c) holocrine secretion d) osmosis

Last Answer : ANSWER: C -- HOLOCRINE SECRETION