1 Answer

Answer :

: Fe2O3.nH2O signal of wet ferric oxide

Related questions

Description : Bog iron used for the adsorption of H2S from coke oven gas is (A) An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide) (B) Iron impregnated with resin (usually Bakelite) (C) Carbon free iron (D) None of these

Last Answer : (A) An intimate mixture of saw dust and iron dust (i.e. moist ferric hydroxide)

Description : Which adsorbent is used for removing sulphur compounds (S Q, H2S, RSH etc.) removal from coke oven gas in by-products recovery plant? (A) Silica gel (B) Diatomaceous earth (C) Basalt (D) Bog iron (i.e., moist ferric hydroxide)

Last Answer : (D) Bog iron (i.e., moist ferric hydroxide)

Description : Can I mix granulated ferric oxide with granulated carbon in a media bag? Or does it have to be separate?

Last Answer : It’s the same water that goes through them whether they are separate or not. I had my marine tank in the dark ages, so I am no longer an expert, but it seems to me that carbon is non-reactive, and gfo is already oxidized; I don’t see what difference it can make.

Description : Which of the following anions will have minimum flocculation value for the ferric oxide solution?

Last Answer : Which of the following anions will have minimum flocculation value for the ferric oxide solution? A. `Cl^(-)` B. `Br^( ... 2-)` D. `[Fe(CN)_(6)]^(3-)`

Description : In which of the following conversions all the three oxygen atoms of `O_(3)` molecules are utilised for oxidation: I. Ferrous oxide to ferric oxide II.

Last Answer : In which of the following conversions all the three oxygen atoms of `O_(3)` molecules are utilised for ... and IV only D. II, III and IV only

Description : Which of the following statements regarding red soils of India is/are correct? 1. The colour of the soil is-red due to ferric oxide content. 2. Red soils are rich in lime, humous and potash. 3. They are porous and have friable ... OS2011] (a) 1 only (b) 1 and 3 only (c) 2 and 3 only (d) 1, 2 and 3

Last Answer : Ans: (b)

Description : Which of the following is responsible for the extra strength of pyrex glass? (1) Potassium Carbonate (2) Lead Oxide (3) Borax (4) Ferric Oxide

Last Answer : (3) Borax Explanation: Older clear-glass Pyrex manufactured by Corning before 1998, Arc International's Pyrex products, and Pyrex laboratory glassware is made of borosilicate glass. According ... glass cookware manufactured by World Kitchen is made of tempered sodalime glass instead of borosilicate.

Description : Iron rust is (A) Ferrous oxide (B) Hydrated ferric oxide (C) Powdered iron (D) Ferric sulphide

Last Answer : (B) Hydrated ferric oxide

Description : What is observed (i) When a beam of light is pressed through a colloidal sol (ii) An electrolyte, NaCl is added to hydrated ferric oxide sol. (iii) Electric current is passed through colloidal sol.

Last Answer : Ans.: (i) Tyndal Effect (iv) Coagulation (v) Electrophoresis

Description : The minimum percentage of silica, alumina and ferric oxide in lime for white washing, is (A) 20 (B) 15 (C) 5 (D) 0

Last Answer : Answer: Option D

Description : Which of the following is responsible for the extra strength of pyrex glass ? (1) Potassium Carbonate (2) Lead Oxide (3) Borax (4) Ferric Oxide

Last Answer : Borax

Description : Bleaching action of moist sulphur di-oxide is because of its (1) basic property (2) acidic property (3) oxidising property (4) reducing property

Last Answer : oxidising property

Description : What are the chemical signals of sodium oxide ?

Last Answer : : The chemical signal of sodium oxide is Na2O

Description : What are the chemical signals of calcium oxide ?

Last Answer : Chemical signals of calcium oxide CaO

Last Answer : : The signal of lead oxide is PbO2

Last Answer : : Chemical signal of silver oxide Ag2O

Last Answer : : Chemical signal of nitric oxide HNO3

Last Answer : Chemical signal of magnesium oxide MgO

Last Answer : lead oxide signal pbo2

Last Answer : : The signal of ferric chloride is FeCl3

Description : Ferric chloride is applied to stop bleeding cut because

Last Answer : Ferric chloride is applied to stop bleeding cut because A. `Fe^(3+)` coagulates blood which ... (-)` coagulates blood which is negatively charged sol

Description : Which of the following ions is most effective in the coagulation of ferric hydroxide solution ?

Last Answer : Which of the following ions is most effective in the coagulation of ferric hydroxide solution ? A. `Cl^(-)` B. `Br^( ... `NO_(2)^(-)` D. `SO_(4)^(2-)`

Description : Bleeding is stopped by the application of ferric chloride. This is because

Last Answer : Bleeding is stopped by the application of ferric chloride. This is because A. the blood starts ... D. the ferric chloride seals the blood vessel.

Description : A solution of sodium thiosulphate on addition of few drops of ferric chloride gives violet colour due to the formation of

Last Answer : A solution of sodium thiosulphate on addition of few drops of ferric chloride gives violet colour due to the formation of ... `Fe_(2)(S_(2)O_(3))_(2)`

Description : Can you use ferric acid on stainless steel?

Last Answer : Yes, it is possible; the correct name is iron(III) chloride.

Description : What is the state of iron in transferrin? (A) Ferrous form (B) Ferric form (C) Both A and B (D) None of these

Last Answer : Answer : B

Description : Molecular iron (Fe) is (A) Stored primarily in spleen (B) Absorbed in the intestine (C) Absorbed in the ferric, Fe+++ form (D) Stored in the body in combination with ferritin

Last Answer : Answer : D

Description : Molecular iron is (A) Stored primarily in the spleen (B) Exreted in the urine as Fe2+ (C) Stored in the body in combination with ferritin (D) Absorbed in the ferric form

Last Answer : Answer : C

Description : Q No: 291 The coagulant widely used for sewage treatment, is A. Alum B. Ferric chloride C. Ferric sulphate D. Chlorinated copperas

Last Answer : ANS: B

Description : The coagulant which is generally not used for treating the sewage, is A. Alum B. Ferric chloride C. Ferric sulphate D. Chlorinated copperas

Last Answer : ANS: A

Description : Ferric stainless steels compared to austenitic stainless steels (A) Have lower corrosion resistance (B) Are harder to fabricate (C) Are less ductile and hence less suitable for cold pressing (D) All (A), (B) and (C)

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

Description : Why is ferric chloride preferred over potassium chloride in case of a cut leading to bleeding?

Last Answer : Ans.: Blood is negatively charge colloidal particles. It is coagulated by +ve ions. As Fe ++ ions has greater number of charges than K+ ions. Therefore on the basis of Hardy-Schulze rule, Coagulation with Fe+++ is faster and hence it is preferred. 

Description : If we add equimolar amounts of ferric hydroxide sol and arsenic sulphide sol, what will happen ?

Last Answer : Ans. Both the sols will get coagulated. 

Description : In which of the following forms is iron absorbed by plants? (a) Ferric (b) Ferrous (c) Free element (d) Both ferric and ferrous

Last Answer : a) Ferric

Description : Which is the most widely used coagulant for the treatment of turbid water? (A) Alum (aluminium sulphate) (B) Lime (C) Ferric chloride (D) Sodium aluminate

Last Answer : (A) Alum (aluminium sulphate)

Description : The color of Red soil is red due to the presence of the which of the following oxides? a. Ferric b. Aluminium c. Phosphorus d. Calcium

Last Answer : a. Ferric

Description : The color of Red soil is red due to the presence of the which of the following oxides? a. Ferric b. Aluminium c. Phosphorus d. Calcium

Last Answer : a. Ferric

Description : Ethers can be freed from peroxides by treatment with (a) Ferrous salt (b) Sodium carbonate (c) Ferric salt (d) Sodium bicarbonate

Last Answer : Ferric salt

Description : Which of the following is used as a coagulant in treating turbid water? (A) Chlorine (B) Ferric sulphate (C) Calcium sulphate (D) Activated carbon

Last Answer : (B) Ferric sulphate

Description : Alum is chemically (A) Copper sulphate (B) Aluminium sulphate (C) Ferrous sulphate (D) Ferric sulphate

Last Answer : (B) Aluminium sulphate

Description : Pick up the correct statement from the following: (A) Rusting is caused due to combined action of air, moisture and carbon dioxide (B) During rusting, first ferrous bicarbonates are formed (C) On further oxidation ferrous bicarbonates get converted to ferric bicarbonates (D) All the above

Last Answer : Answer: Option D

Description : How can arsenic be removed from aqueous waste streams? Often times, ferric chloride is added to such a stream. The ferric chloride aids in the formation

Last Answer : Often times, ferric chloride is added to such a stream. The ferric chloride aids in the formation of floc to agglomerate fine arsenic particles that can then be removed by mechanical means.

Description : Choose the correct statement about severity of side effects to oral iron medication: A. Ferrous salts are better tolerated than ferric salts B. Complex organic salts of iron are better ... better tolerated than tablets D. Tolerability depends on the quantity of elemental iron in the medication

Last Answer : D. Tolerability depends on the quantity of elemental iron in the medication

Description : In which of the following forms is iron absorbed by plants ? (1) Ferric (2) Ferrous (3) Free element (4) Both ferric and ferrous

Last Answer : (1) Ferric

Description : How do you keep wet wipes moist?

Last Answer : Yes.

Description : How can you make cake and muffins from boxed cake mixes more moist?

Last Answer : add a bit more milk?

Description : What ingredient would you double in order to make a cake super moist?

Last Answer : Oh honey, just put some applesauce in it. It makes it completely moist and it does not leave it tasting like apples.

Description : How do I keep my chicken breast meat moist?

Last Answer : I always had good luck baking chickens in the microwave the breast is usually quite moist that way

Description : Is there a word for the moist imprint of a finger on a page in a book?

Last Answer : Umm….maybe a wet fingerprint?

Description : How can I keep cookies moist?

Last Answer : I think you should just let me hold them in my mouth!lol!