What is the average salt content in a litre of sea water? -General Knowledge

Description : 10g sample of bleaching powder was dissolved into water to make the solution one litre. To this solution 35 mL of 1.0 M Mohr salt solution was added c

Last Answer : 10g sample of bleaching powder was dissolved into water to make the solution one litre. To this solution 35 ... Cl_(2)` approximately is (mol wt = 71)

what is the average salt content of seawater as measured in parts per thousand (ppt)? -General Knowledge

Description : what is the average salt content of seawater as measured in parts per thousand (ppt)? -General Knowledge

Last Answer : The average salt content of seawater as measured in parts per thousand (ppt) is 35 ppt.

Salt content in sea water is about __________ percent. (A) 0.5 (B) 1 (C) 3.5 (D) 9.05

Description : Salt content in sea water is about __________ percent. (A) 0.5 (B) 1 (C) 3.5 (D) 9.05

Last Answer : (C) 3.5

One degree of hardness of water means a content of salts of (A) 10.25 mg/litre (B) 12.25 mg/litre (C) 14.25 mg/litre (D) 16.25 mg/litre

Description : One degree of hardness of water means a content of salts of (A) 10.25 mg/litre (B) 12.25 mg/litre (C) 14.25 mg/litre (D) 16.25 mg/litre

Last Answer : (C) 14.25 mg/litre

What is the average value of salt present in sea water?

Description : What is the average value of salt present in sea water?

Last Answer : 3.5%

Harish buys petrol at rs 21, Rs.24 and Rs.27 per litre for 3 successive years. What approximately is the average cost per litre of petrol if he spends Rs.12000 each year? A) 23.74 B) 54.76 C) 24.66 D) 28.99

Description : Harish buys petrol at rs 21, Rs.24 and Rs.27 per litre for 3 successive years. What approximately is the average cost per litre of petrol if he spends Rs.12000 each year? A) 23.74 B) 54.76 C) 24.66 D) 28.99

Last Answer : A) Total quantity of petrol consumed in 3 yr = (12000/21 +12000/24+12000/27) =12000(1/2 + 1/24 + 1/27) =12000(72+63+56/1512) =12000(191/1512) =(2292000/1512)litres Total amount spent = rs(3 *12000) = Rs.36000 Average cost = Rs(36000*1512/2292000) =Rs.23.74

What is the average amount of salt in seawater? -General Knowledge

Description : What is the average amount of salt in seawater? -General Knowledge

Last Answer : answer:

What is the average amount of salt in seawater? -General Knowledge

Description : What is the average amount of salt in seawater? -General Knowledge

Last Answer : Ocean water has a salinity of about 3.5% salt. This means that in a 100gm solution of salty water, there is 3.5 grams of salt. Or, put another way, one litre of seawater contains 35 grams of salt - that is approximately six teaspoons.

how do you keep the pollution in ocean water from contaminating sea salt?

Description : how do you keep the pollution in ocean water from contaminating sea salt?

Last Answer : Essentially, you can't, other than to hope the salt is harvested in an area not located near a pollution source, and thus the contaminants would be in a lower concentration. I suppose you could try to find a producer who treated or filtered the seawater, but I'

What do you call when you removing salt from sea water?

Description : What do you call when you removing salt from sea water?

Last Answer : salty

How did Early man removed salt from sea water by?

Description : How did Early man removed salt from sea water by?

Last Answer : What is the answer ?

How Early man removed salt from sea water?

Description : How Early man removed salt from sea water?

Last Answer : evaporation

India has eight coastal states but more than half the sea salt is made along the Gujarat coast because (a) Gandhiji started the salt movement in Gujarat (b) Low rainfall and relative humidity are ideal for the production of salt through evaporation of sea water (c) Kandla port exports salt (d) The salinity of sea water is very high near the Gujarat coast

Description : India has eight coastal states but more than half the sea salt is made along the Gujarat coast because (a) Gandhiji started the salt movement in Gujarat (b) Low rainfall and relative humidity are ideal ... ) Kandla port exports salt (d) The salinity of sea water is very high near the Gujarat coast

Last Answer : Ans: (b)

One feels cold after a dip in sea water due to (a) convection currents (b) the deposition of salt on the body (c) the evaporation of water on the body (d) the difference in temperatures between land and sea

Description : One feels cold after a dip in sea water due to (a) convection currents (b) the deposition of salt on the body (c) the evaporation of water on the body (d) the difference in temperatures between land and sea

Last Answer : Ans:(c)

Common salt is obtained from sea water by the process of (a) sublimation (b) evaporation (c) crystallisation (d) filtration

Description : Common salt is obtained from sea water by the process of (a) sublimation (b) evaporation (c) crystallisation (d) filtration

Last Answer : Ans:(b)

Sea water is saltier than rain water because – (1) rivers wash away salts from earth and pour them into the sea (2) sea beds have salt producing mines (3) sea animals are salt producing (4) the air around the sea is saltish

Description : Sea water is saltier than rain water because – (1) rivers wash away salts from earth and pour them into the sea (2) sea beds have salt producing mines (3) sea animals are salt producing (4) the air around the sea is saltish

Last Answer : (1) rivers wash away salts from earth and pour them into the Explanation: Sea water is saltier than rain water because rivers wash away salts from earth and pour them into the sea.

Sea water is saltier than rain water because – (1) Sea animals are salt producing (2) The air around the sea is saltish (3) Rivers wash away salts from earth and pour them into the sea (4) Sea beds have salt producing mines

Description : Sea water is saltier than rain water because – (1) Sea animals are salt producing (2) The air around the sea is saltish (3) Rivers wash away salts from earth and pour them into the sea (4) Sea beds have salt producing mines

Last Answer : (3) Rivers wash away salts from earth and pour them into the sea Explanation: Seawater is salty because rainwater dissolves the salt minerals found in soil and rocks as it travels through rivers ... sea The rain that falls on the land contains some dissolved carbon dioxide from the surrounding air.

What is the most common salt in sea water? (1) Calcium carbonate (2) Potassium chloride (3) Sodium chloride (4) Magnesium sulphate

Description : What is the most common salt in sea water? (1) Calcium carbonate (2) Potassium chloride (3) Sodium chloride (4) Magnesium sulphate

Last Answer : (3) Sodium chloride Explanation: Sodium chloride, also known as salt, common salt, table salt or halite, is an ionic compound with the formula NaCl, representing equal proportions of sodium and ... for the salinity of the ocean and of the extracellular fluid of many multi-cellular organisms.

Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Description : Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Last Answer : (a) grow and multiply in very deep marine sediments

Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Description : Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Last Answer : (a) grow and multiply in very deep marine sediments

Common salt is produced from sea water in India generally by the __________ method. (A) Freeze drying (B) Solar evaporation (C) Electrolytic (D) None of these

Description : Common salt is produced from sea water in India generally by the __________ method. (A) Freeze drying (B) Solar evaporation (C) Electrolytic (D) None of these

Last Answer : B) Solar evaporation

Specific weight of sea water is more that of pure water because it contains (A) Dissolved air (B) Dissolved salt (C) Suspended matter (D) All of the above

Description : Specific weight of sea water is more that of pure water because it contains (A) Dissolved air (B) Dissolved salt (C) Suspended matter (D) All of the above

Last Answer : Answer: Option D

Which of the following statements are correct? I. Rann of Kachchh is formed by the recession of the sea. II. Kuchaman, Sambhar and Didwana are salt water lakes. III. The land to the east of Aravallis is known as Bagar. IV. The fertile flood plains formed by small streams in Rajasthan are known as Rohi. (1) I, II and IV (2) I, III and IV (3) II, III and IV (4) I, II, III and IV

Description : Which of the following statements are correct? I. Rann of Kachchh is formed by the recession of the sea. II. Kuchaman, Sambhar and Didwana are salt water lakes. III. The land to the east of Aravallis is known as Bagar. IV. The ... II and IV (2) I, III and IV (3) II, III and IV (4) I, II, III and IV

Last Answer : (1) I, II and IV

Sea water is saltier than rain water because (1) Sea animals are salt producing (2) The air around the sea is saltish (3) Rivers wash away salts from earth and pour them into the sea (4) Sea beds have salt producing mines

Description : Sea water is saltier than rain water because (1) Sea animals are salt producing (2) The air around the sea is saltish (3) Rivers wash away salts from earth and pour them into the sea (4) Sea beds have salt producing mines

Last Answer : Rivers wash away salts from earth and pour them into the sea

What is the most common salt in sea water ? (1) Calcium carbonate (2) Potassium chloride (3) Sodium chloride (4) Magnesium sulphate

Description : What is the most common salt in sea water ? (1) Calcium carbonate (2) Potassium chloride (3) Sodium chloride (4) Magnesium sulphate

Last Answer : Sodium chloride

Sea water is saltier than rain water because (1) rivers wash away salts from earth and pour them into the sea (2) sea beds have salt producing mines (3) sea animals are salt producing (4) the air around the sea is saltish

Description : Sea water is saltier than rain water because (1) rivers wash away salts from earth and pour them into the sea (2) sea beds have salt producing mines (3) sea animals are salt producing (4) the air around the sea is saltish

Last Answer : rivers wash away salts from earth and pour them into the sea

The subdivision of aquatic biome is based on salt content of water and the aquatic plants live there.

Description : The subdivision of aquatic biome is based on salt content of water and the aquatic plants live there.

Last Answer : Identify the correct correlation: A - The subdivision of aquatic biome is based on salt content of ... but R is not the correct explanation of A.

All the following statements about endemic goiter are true except (A) It occurs in areas where soil and water have low iodine content (B) It leads to enlargement of thyroid gland (C) It results ultimately in hyperthyroidism (D) It can be prevented by consumption of iodised salt

Description : All the following statements about endemic goiter are true except (A) It occurs in areas where soil and water have low iodine content (B) It leads to enlargement of thyroid gland (C) It results ultimately in hyperthyroidism (D) It can be prevented by consumption of iodised salt

Last Answer : Answer : C

Salt content in irrigation water evaluated as best quality

Description : Salt content in irrigation water evaluated as best quality

Last Answer : Ans.0.2 to 0.5 g/lt

Which of the following is not a factor affecting Soil Water Availability? a) A Soil Texture b) B Nature of crop grown c) C Organic Matter d) D Salt content E Soil depth

Description : Which of the following is not a factor affecting Soil Water Availability? a) A Soil Texture b) B Nature of crop grown c) C Organic Matter d) D Salt content E Soil depth

Last Answer : b) B Nature of crop grown

Iron filling and water were placed in a 5 litre tank and sealed. The tank was heated to 1273 K. Upon analysis the tank was found to contain 1.10 gram

Description : Iron filling and water were placed in a 5 litre tank and sealed. The tank was heated to 1273 K. Upon analysis the tank was found to contain 1.10 gram

Last Answer : Iron filling and water were placed in a 5 litre tank and sealed. The tank was heated to 1273 K. Upon analysis ... `4.940xx10^(3)` D. `3.200xx10^(3)`

`RH_(2)` ( ion exchange resin) can replace `Ca^(2+)`d in hard water as. `RH_(2)+Ca^(2+)rarrRCa+2H^(+)` `1 "litre"` of hard water passing through `RH_(

Description : `RH_(2)` ( ion exchange resin) can replace `Ca^(2+)`d in hard water as. `RH_(2)+Ca^(2+)rarrRCa+2H^(+)` `1 "litre"` of hard water passing through `RH_(

Last Answer : `RH_(2)` ( ion exchange resin) can replace `Ca^(2+)`d in hard water as. `RH_(2)+Ca^(2+)rarrRCa+2H^(+)` `1 ... Ca^(2+)` is: A. 50 B. 100 C. 125 D. 200

Number of moles of CaO required to remove hardness from 1000 litre water having 324 ppm of calcuim bicarbonate and 74.5 ppm of potassium chloride is :

Description : Number of moles of CaO required to remove hardness from 1000 litre water having 324 ppm of calcuim bicarbonate and 74.5 ppm of potassium chloride is :

Last Answer : Number of moles of CaO required to remove hardness from 1000 litre water having 324 ppm of calcuim bicarbonate and 74.5 ppm ... : A. 8 B. 4 C. 3 D. 2

What will the concentration of `[Ca^(+2)]` in a sample of 1 litre hard water if after treatment with washing soda 10 g insoluable `CaCO_(3)` is precip

Description : What will the concentration of `[Ca^(+2)]` in a sample of 1 litre hard water if after treatment with washing soda 10 g insoluable `CaCO_(3)` is precip

Last Answer : What will the concentration of `[Ca^(+2)]` in a sample of 1 litre hard water if after treatment with washing soda 10 g ... B. 0.1 M C. 0.3 M D. 0.4 M

When a litre of water is introduced in human blood

Description : When a litre of water is introduced in human blood

Last Answer : When a litre of water is introduced in human blood A. BMR increases B. BMR decreases C ... increases D. RBC collapses and urine production decreases

Dose of chlorine for disinfection of water is about __________ mg/litre of water. (A) 0.01 (B) 0.1 (C) 0.3 (D) 1

Description : Dose of chlorine for disinfection of water is about __________ mg/litre of water. (A) 0.01 (B) 0.1 (C) 0.3 (D) 1

Last Answer : (D) 1

TLV of aldrin in public water supply system is about __________ μg/litre. (A) 0.5 (B) 17 (C) 357 (D) 1097

Description : TLV of aldrin in public water supply system is about __________ μg/litre. (A) 0.5 (B) 17 (C) 357 (D) 1097

Last Answer : (B) 17

Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by (A) Chlorination (B) Treating in biological oxygen pond (C) Chemical coagulation (D) None of these

Description : Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by (A) Chlorination (B) Treating in biological oxygen pond (C) Chemical coagulation (D) None of these

Last Answer : (B) Treating in biological oxygen pond

Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)? (A) Lagooning (B) Activated carbon adsorption (C) Biological oxidation pond (D) Chemical coagulation

Description : Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)? (A) Lagooning (B) Activated carbon adsorption (C) Biological oxidation pond (D) Chemical coagulation

Last Answer : (B) Activated carbon adsorption

Pick out the wrong statement.(A) Biological oxygen demand (BOD) is a characteristic and not a constituent of water (B) BOD is a measure of the amount of oxygen which will be demanded & used in 5 days by the biological decomposition of the organic matter present in water stream present as food for the living organism (C) BOD is expressed in mg/litre (typically, BOD=2.5 mg/litre for potable water) (D) None of these

Description : Pick out the wrong statement. (A) Biological oxygen demand (BOD) is a characteristic and not a constituent of water (B) BOD is a measure of the amount of oxygen which will be demanded & used in 5 days ... BOD is expressed in mg/litre (typically, BOD=2.5 mg/litre for potable water) (D) None of these

Last Answer : (D) None of these

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)

Maximum permissible residual chlorine in treated water should be __________ mg/litre. (A) 0.001 to 0.01 (B) 0.2 to 0.3 (C) 2 to 3 (D) 5 to 10

Description : Maximum permissible residual chlorine in treated water should be __________ mg/litre. (A) 0.001 to 0.01 (B) 0.2 to 0.3 (C) 2 to 3 (D) 5 to 10

Last Answer : (B) 0.2 to 0.3

Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. (A) 22 (B) 42 (C) 332 (D) 1050

Description : Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. (A) 22 (B) 42 (C) 332 (D) 1050

Last Answer : (B) 42

Pick out the correct statement. (A) Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present in water (B) COD is determined by oxidising the organic matter present in water with potassium dichromate in cone, sulphuric acid solution at boiling temperature for specified time (C) COD is related to BOD of a given waste in water but the relationship varies for different wastes. Typically COD of potable water may be 1-2 mg/litre (D) All (A), (B) and (C)

Description : Pick out the correct statement. (A) Chemical oxygen demand (COD) is a measure of chemically oxidisable organic matter present in water (B) COD is determined by oxidising the organic matter present in water with potassium dichromate ... of potable water may be 1-2 mg/litre (D) All (A), (B) and (C)

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

One ha cm of water is equal to — a. 1000 litre b. 10000 litre c. 100000 litre d. None of these

Description : One ha cm of water is equal to — a. 1000 litre b. 10000 litre c. 100000 litre d. None of these

Last Answer : c. 100000 litre

Slow sand filter is used if maximum turbidity of raw water is less than (A) 10 gm/litre (B) 20 gm/litre (C) 30 gm/litre (D) 50 gm/litre

Description : Slow sand filter is used if maximum turbidity of raw water is less than (A) 10 gm/litre (B) 20 gm/litre (C) 30 gm/litre (D) 50 gm/litre

Last Answer : (D) 50 gm/litre

What is the average salt content in a litre of sea water? -General Knowledge

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