Certain carbonates and phosphates are removed by

Certain carbonates and phosphates are removed by
by

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Answer :

Certain carbonates and phosphates are removed by A. Skin B. Liver C. Kidneys D. None of the above
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$ Minerals such as carbonates and phosphates acts as buffers. ! Biomolecules contain only 25 elements out of the 109 known elements.

Description : $ Minerals such as carbonates and phosphates acts as buffers. ! Biomolecules contain only 25 elements out of the 109 known elements.

Last Answer : $ Minerals such as carbonates and phosphates acts as buffers. ! Biomolecules contain only 25 elements out of ... wrong D. If both As and R are wrong.

Diamond is chemically (a) a mixture of metal carbonates (b) pure carbon (c) a pure form of sand (d) a mixture of calcium and magnesium phosphates

Description : Diamond is chemically (a) a mixture of metal carbonates (b) pure carbon (c) a pure form of sand (d) a mixture of calcium and magnesium phosphates

Last Answer : Ans:(b)

Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are (A) Carbonates (B) Sulphates (C) Silicates & phosphates (D) Bi-carbonates

Description : Agglomeration of individual particles into clusters (flocs) is called flocculation. To prevent flocculation, the most commonly used dispersing agents are (A) Carbonates (B) Sulphates (C) Silicates & phosphates (D) Bi-carbonates

Last Answer : (C) Silicates & phosphates

Magnesium and calcium __________ cause temporary hardness of water. (A) Carbonates (B) Bicarbonates (C) Phosphates (D) Sulphates

Description : Magnesium and calcium __________ cause temporary hardness of water. (A) Carbonates (B) Bicarbonates (C) Phosphates (D) Sulphates

Last Answer : (B) Bicarbonates

__________ are used as corrosion inhibitor for iron & steel in aqueous solutions. (A) Phosphates (B) Chromates (C) Sulphates (D) Bi-carbonates

Description : __________ are used as corrosion inhibitor for iron & steel in aqueous solutions. (A) Phosphates (B) Chromates (C) Sulphates (D) Bi-carbonates

Last Answer : (B) Chromates

Upon the entry of carbon dioxide in the red blood cells, H+ionsare formed at a very rapid rate, and yet the blood does not turn acid because (a) H+ ions are rapidly exchanged at the expense of HCO3-ions (b) H+ ions are rapidly removed and excreted in the urine (c) H+ ions are buffered by proteins of haemoglobin and plasma (d) H+ ions are buffered by proteins of haemoglobin and proteins and phosphates of plasma

Description : Upon the entry of carbon dioxide in the red blood cells, H+ionsare formed at a very rapid rate, and yet the blood does not turn acid because (a) H+ ions are rapidly exchanged at the ... haemoglobin and plasma (d) H+ ions are buffered by proteins of haemoglobin and proteins and phosphates of plasma

Last Answer : Ans:(c)

Which of the following is NOT a means of preparing carbon dioxide? w) burning coke in the absence of air x) combustion of methane y) heating certain normal carbonates z) action of acids on carbonates

Description : Which of the following is NOT a means of preparing carbon dioxide? w) burning coke in the absence of air x) combustion of methane y) heating certain normal carbonates z) action of acids on carbonates

Last Answer : ANSWER: W -- BURNING COKE IN THE ABSENCE OF AIR 

Release of phosphates and nitrates in water bodies like lakes lead to:

Description : Release of phosphates and nitrates in water bodies like lakes lead to:

Last Answer : Release of phosphates and nitrates in water bodies like lakes lead to: A. Nutrient enrichment ... algal growth D. Increased growth of decomposers

Phosphates remain outside the natural cycle for a long time

Description : Phosphates remain outside the natural cycle for a long time

Last Answer : Phosphates remain outside the natural cycle for a long time A. When they form compounds with metals B. When ... and decompose D. Both (1) and (2)

What role have nitrates and phosphates played in damaging muddy creek?

Description : What role have nitrates and phosphates played in damaging muddy creek?

Last Answer : Need answer

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.

Organic compound of small molecular size is (A) Urea (B) Uric acid (C) Creatinine (D) Phosphates

Description : Organic compound of small molecular size is (A) Urea (B) Uric acid (C) Creatinine (D) Phosphates

Last Answer : Answer : A

Within the red blood cells the buffering capacity contributed by the phosphates is (A) 5% (B) 10% (C) 20% (D) 25%

Description : Within the red blood cells the buffering capacity contributed by the phosphates is (A) 5% (B) 10% (C) 20% (D) 25%

Last Answer : Answer : D

The degradation of RNA by pancreatic ribonuclease produces (A) Nucleoside 2-Phosphates (B) Nucleoside 5′-phosphates (C) Oligonucleosides (D) Nucleoside 3′-phosphate and oligonucleotide

Description : The degradation of RNA by pancreatic ribonuclease produces (A) Nucleoside 2-Phosphates (B) Nucleoside 5′-phosphates (C) Oligonucleosides (D) Nucleoside 3′-phosphate and oligonucleotide

Last Answer : Answer : D

For each of the first 7-acetyl-CoA molecules formed by α-oxidation of palmitic acid, the yield of high energy phosphates is (A) 12 (B) 24 (C) 30 (D) 35

Description : For each of the first 7-acetyl-CoA molecules formed by α-oxidation of palmitic acid, the yield of high energy phosphates is (A) 12 (B) 24 (C) 30 (D) 35

Last Answer : Answer : D

Urine turbidity may be caused by any of the following except (A) Phosphates (B) Protein (C) RBC (D) WBC

Description : Urine turbidity may be caused by any of the following except (A) Phosphates (B) Protein (C) RBC (D) WBC

Last Answer : Answer : B

Ammonia is excreted as ammonium salts during metabolic acidosis but the majority is excreted as (A) Phosphates (B) Creatine (C) Uric acid (D) Urea

Description : Ammonia is excreted as ammonium salts during metabolic acidosis but the majority is excreted as (A) Phosphates (B) Creatine (C) Uric acid (D) Urea

Last Answer : Answer : D

Benedict’s test is less likely to give weakly positive results with concentrated urine due to the action of (A) Urea (B) Uric acid (C) Ammonium salts (D) Phosphates

Description : Benedict’s test is less likely to give weakly positive results with concentrated urine due to the action of (A) Urea (B) Uric acid (C) Ammonium salts (D) Phosphates

Last Answer : B

Milk fever in cows occurs due to the lack of (a) Phosphates (b) Calcium (c) Iron (d) Iodine

Description : Milk fever in cows occurs due to the lack of (a) Phosphates (b) Calcium (c) Iron (d) Iodine

Last Answer : Ans:(b)

Phosphates (e.g., tricresyl, tributyl, tetrabutyl, triphenyl etc.) are addedto polymers to act as(A) Hardeners(B) Anti-shrinkage agents(C) Plasticisers(D) Transparency improver

Description : Phosphates (e.g., tricresyl, tributyl, tetrabutyl, triphenyl etc.) are addedto polymers to act as (A) Hardeners (B) Anti-shrinkage agents (C) Plasticisers (D) Transparency improver

Last Answer : (C) Plasticisers

Injurious effects of sulphates can be replaced with the addition of ________: a. Nitrates b. Phosphates c. Ammonia d. Ca & Mg

Description : Injurious effects of sulphates can be replaced with the addition of ________: a. Nitrates b. Phosphates c. Ammonia d. Ca & Mg

Last Answer : Nitrates

Rock phosphates are used in— (A) Saline soil (B) Sodic soil (C) Acidic soil (D) Neutral soil

Description : Rock phosphates are used in— (A) Saline soil (B) Sodic soil (C) Acidic soil (D) Neutral soil

Last Answer : (C) Acidic soil

Which enzyme is tested for cream pasteurization? a. Plasmin b. Phosphates c. Catalase d. peroxidase

Description : Which enzyme is tested for cream pasteurization? a. Plasmin b. Phosphates c. Catalase d. peroxidase

Last Answer : d. peroxidase

CHOOSE THE MOST APPROPRIATE RESPONSE 41.1 Absorption of oral iron preparations can be facilitated by coadministering: A. Antacids B. Tetracyclines C. Phosphates D. Ascorbic acid

Description : CHOOSE THE MOST APPROPRIATE RESPONSE 41.1 Absorption of oral iron preparations can be facilitated by coadministering: A. Antacids B. Tetracyclines C. Phosphates D. Ascorbic acid

Last Answer : D. Ascorbic acid

What are the major constituents of typical fly ash particles generated from the combustion of coal? w) acidic and basic oxides x) trace elements y) unburned carbon z) sulfates and phosphates

Description : What are the major constituents of typical fly ash particles generated from the combustion of coal? w) acidic and basic oxides x) trace elements y) unburned carbon z) sulfates and phosphates

Last Answer : ANSWER: W -- ACIDIC AND BASIC OXIDES 

Which of the following combinations represent renewable natural resources? (A) Oil, forests and tides (B) Fertile soil, fresh water and natural gas (C) Clean air, phosphates and biological diversity (D) Fishes, fertile soil and fresh water

Description : Which of the following combinations represent renewable natural resources? (A) Oil, forests and tides (B) Fertile soil, fresh water and natural gas (C) Clean air, phosphates and biological diversity (D) Fishes, fertile soil and fresh water

Last Answer : (D) Fishes, fertile soil and fresh water

Metal carbonates decompose on heating to give metal oxide and carbon dioxide. Which of the metal carbonates is most stable thermally?

Description : Metal carbonates decompose on heating to give metal oxide and carbon dioxide. Which of the metal carbonates is most stable thermally?

Last Answer : Metal carbonates decompose on heating to give metal oxide and carbon dioxide. Which of the metal carbonates is most ... C. `SrCO_(3)` D. `BaCO_(3)`

Which of the following metal carbonates liberate. `CO_(2)(g)` on heating :

Description : Which of the following metal carbonates liberate. `CO_(2)(g)` on heating :

Last Answer : Which of the following metal carbonates liberate. `CO_(2)(g)` on heating : A. `Na_(2)CO_(3)` B. `K_(2)CO_(3)` C. `Rb_(2)CO_(3)` D. `Ag_(2)CO_(3)`

How many of the following are metal carbonates : Dolomite ,Malachite ,Azurite ,Siderite Calamine , Magnasite ,Limestone ,Washing soda ,Cerussite

Description : How many of the following are metal carbonates : Dolomite ,Malachite ,Azurite ,Siderite Calamine , Magnasite ,Limestone ,Washing soda ,Cerussite

Last Answer : How many of the following are metal carbonates : Dolomite ,Malachite ,Azurite ,Siderite Calamine , Magnasite ,Limestone ,Washing soda ,Cerussite

Amongst the various ores of a metal (M) (sulphide, carbonates, oxides, hydrated or hydroxides) two ores [X] and [Y] show the following reactivity. (i)

Description : Amongst the various ores of a metal (M) (sulphide, carbonates, oxides, hydrated or hydroxides) two ores [X] and [Y] show the following reactivity. (i)

Last Answer : Amongst the various ores of a metal (M) (sulphide, carbonates, oxides, hydrated or hydroxides) ... and hydroxide ores D. Carbonate and oxide ores

What gas is produced when acids and carbonates react?

Description : What gas is produced when acids and carbonates react?

Last Answer : I don’t know

Where does the oxygen that keeps us alive come from? A. Carbon dioxide B. Carbonates absorbed from soil C. Oxides of minerals D. Water

Description : Where does the oxygen that keeps us alive come from? A. Carbon dioxide B. Carbonates absorbed from soil C. Oxides of minerals D. Water

Last Answer : ANSWER: A

The solubility of the alkali metal carbonates (a) Decreases as we go down the group (b) Increases as we go down the group (c) Increases at first and then decreases (d) Does not show regular variation

Description : The solubility of the alkali metal carbonates (a) Decreases as we go down the group (b) Increases as we go down the group (c) Increases at first and then decreases (d) Does not show regular variation

Last Answer : Ans:(b)

Petroleum consists of a mixture of – (1) Carbohydrates (2) Carbonates (3) Hydrocarbons (4) Carbides

Description : Petroleum consists of a mixture of – (1) Carbohydrates (2) Carbonates (3) Hydrocarbons (4) Carbides

Last Answer : (3) Hydrocarbons Explanation: Petroleum (petroleum, from Latin: 'petra' (rock) + Latin: oleum (oil) or crude oil is a naturally occurring flammable liquid consisting of a complex mixture of ... variety of materials, and it is estimated that the world consumes about 88 million barrels each day.

Where does the oxygen that keeps us alive come from? (1) Carbon dioxide (2) Carbonates absorbed from soil (3) Oxides of minerals (4) Water

Description : Where does the oxygen that keeps us alive come from? (1) Carbon dioxide (2) Carbonates absorbed from soil (3) Oxides of minerals (4) Water

Last Answer : (4) Water Explanation: Since water and carbon dioxide are both compounds which contain oxygen, it is possible to obtain oxygen from either. The oxygen produced from photosynthesis is not released into the ... the air. Scientists agree that there's oxygen from ocean plants in every breath we take.

Oxygen which is vital for life is a product of photosynthesis and comes from – (1) carbonates from soil (2) carbon dioxide (3) water (4) oxides of mineral elements

Description : Oxygen which is vital for life is a product of photosynthesis and comes from – (1) carbonates from soil (2) carbon dioxide (3) water (4) oxides of mineral elements

Last Answer : (3) water Explanation: The unusually high concentration of oxygen has on Earth is the result of the oxygen cycle. This biogeochemical cycle describes the movement of oxygen within and ... Photosynthesis releases oxygen into the atmosphere, while respiration and decay remove it from the atmosphere.

The gas produced when acids are active with Carbonates?

Description : The gas produced when acids are active with Carbonates?

Last Answer : Carbon dioxide

The majority of carbon dioxide produced by our body cells is transported to the lungs as (a) attached to haemoglobin (b) dissolved in the blood (c) as bicarbonates (d) as carbonates.

Description : The majority of carbon dioxide produced by our body cells is transported to the lungs as (a) attached to haemoglobin (b) dissolved in the blood (c) as bicarbonates (d) as carbonates.

Last Answer : (c) as bicarbonates

The commonest form of iron & manganese found in ground water as pollutant is in the form of their (A) Carbonates (B) Bi-carbonates (C) Chlorides (D) Sulphides

Description : The commonest form of iron & manganese found in ground water as pollutant is in the form of their (A) Carbonates (B) Bi-carbonates (C) Chlorides (D) Sulphides

Last Answer : (B) Bi-carbonates

Presence of dissolved impurities of __________ is responsible for the red brownish color of water. (A) Carbonates (B) Bi-carbonates (C) Iron & manganese (D) Arsenic

Description : Presence of dissolved impurities of __________ is responsible for the red brownish color of water. (A) Carbonates (B) Bi-carbonates (C) Iron & manganese (D) Arsenic

Last Answer : (C) Iron & manganese

Permanent hardness of water is due to the presence of calcium & magnesium (A) Bi-carbonates (B) Sulphates & chlorides (C) Carbonate (D) None of these

Description : Permanent hardness of water is due to the presence of calcium & magnesium (A) Bi-carbonates (B) Sulphates & chlorides (C) Carbonate (D) None of these

Last Answer : (B) Sulphates & chlorides

Main constituents of Portland cement are calcium aluminate and (A) Gypsum(B) Silicates(C) Sodium silicate(D) Carbonates

Description : Main constituents of Portland cement are calcium aluminate and (A) Gypsum (B) Silicates (C) Sodium silicate (D) Carbonates

Last Answer : (B) Silicates

Carbonates in water produce (A) Temporary hardness (B) Permanent hardness (C) Acidity (D) Alkanity

Description : Carbonates in water produce (A) Temporary hardness (B) Permanent hardness (C) Acidity (D) Alkanity

Last Answer : (A) Temporary hardness

The impurity of mixing water which affects the setting time and strength of concrete, is (A) Sodium sulphates (B) Sodium chlorides (C) Sodium carbonates and bicarbonates (D) Calcium bicarbonates

Description : The impurity of mixing water which affects the setting time and strength of concrete, is (A) Sodium sulphates (B) Sodium chlorides (C) Sodium carbonates and bicarbonates (D) Calcium bicarbonates

Last Answer : Answer: Option C

Explain the stability of carbonates & bicarbonates of alkali metals .

Description : Explain the stability of carbonates & bicarbonates of alkali metals . 

Last Answer : The alkali metals form salts with all the oxo-acids. They are generally soluble in water and thermally stable. Their carbonates (M2CO3) and in most cases the hydrogencarbonates (MHCO3) also are highly ... the formation of more stable Li2O and CO2. Its hydrogencarbonate does not exist as a solid.  

When shale weathers, it forms mostly: w) clay x) quartz y) soluble carbonates z) slate

Description : When shale weathers, it forms mostly: w) clay x) quartz y) soluble carbonates z) slate

Last Answer : ANSWER: W -- CLAY

Oxygen which is vital for life is a product of photosynthesis and comes from (1) carbonates from soil (2) carbon dioxide (3) water (4) oxides of mineral elements

Description : Oxygen which is vital for life is a product of photosynthesis and comes from (1) carbonates from soil (2) carbon dioxide (3) water (4) oxides of mineral elements

Last Answer : water

Petroleum consists of a mixture of (1) Carbohydrates (2) Carbonates (3) Hydrocarbons (4) Carbides

Description : Petroleum consists of a mixture of (1) Carbohydrates (2) Carbonates (3) Hydrocarbons (4) Carbides

Last Answer : Hydrocarbons

Where does the oxygen that keeps us alive come from? (1) Carbon dioxide (2) Carbonates absorbed from soil (3) Oxides of minerals (4) Water

Description : Where does the oxygen that keeps us alive come from? (1) Carbon dioxide (2) Carbonates absorbed from soil (3) Oxides of minerals (4) Water

Last Answer : Water

Assertion A.: The minimum self cleansing velocity in the sewer, at least once a day, must be generated. Reason (R): If certain deposition takes place and is not removed, it obstructs free flow and causes further deposition leading to complete blocking of the sewer. 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.: The minimum self cleansing velocity in the sewer, at least once a day, must be generated. Reason (R): If certain deposition takes place and is not removed, it obstructs free flow and causes further ... correct explanation of A C. A is true but R is false D. A is false but R is true

Last Answer : ANS: A