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 : 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 : Iron rust is (A) Ferrous oxide (B) Hydrated ferric oxide (C) Powdered iron (D) Ferric sulphide
Last Answer : (B) Hydrated ferric oxide
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 : 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 : 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 : 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 : 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 : 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 : The positive plants of nickel iron cell is made up of a. Nickel hydroxide b. Lead peroxide c. Ferrous hydroxide d. Potassium hydroxide
Last Answer : a. Nickel 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 : Nickel as a material of construction (A) Is used as an alloying element for both ferrous & non-ferrous alloys (B) Is paramagnetic below 415° C (its Curie temperature) (C) Diamagnetic (D) Has a body centred cubic (bcc) crystal lattice structure
Last Answer : (A) Is used as an alloying element for both ferrous & non-ferrous alloys
Description : The acidic aqueous solution of ferrous ion forms a brown complex in the presence of `NO_(3)^(Θ)` by the follwing two steps: `[Fe(H_(2)O)_(6)]^(2+) +NO
Last Answer : The acidic aqueous solution of ferrous ion forms a brown complex in the presence of `NO_(3)^(Θ)` ... + H_(2)O` Complete and balance the equations .
Description : What is the plan of ferrous iron ?
Last Answer : Ferrous or iron schemes 2 and 3.
Description : India is particularly poor in reserves of (a) coal (b) iron ore (c) non-ferrous metals (d) limestone
Last Answer : Ans: (c)
Description : Galvanising is generally done on (A) Non-ferrous metals (B) Low carbon steel (C) Stainless steel (D) Cast iron
Last Answer : (B) Low carbon steel
Description : A ferrous metal is (A) Cast iron (B) Wrought iron (C) Steel (D) All the above
Description : The positive plates of nickel iron cell is made up of a. Nickel hydroxide b. Lead peroxide c. Ferrous hydroxide d. Potassium hydroxide
Description : Select the oral iron preparation which does not impart metallic taste and has good oral tolerability despite high iron content but whose efficacy in treating iron deficiency anaemia has been questioned: A. Iron hydroxy polymaltose B. Ferrous succinate C. Ferrous fumarate D. Ferrous gluconate
Last Answer : A. Iron hydroxy polymaltose
Description : he percentage of elemental iron in hydrated ferrous sulfate is: A. 5% B. 10% C. 20% D. 33%
Last Answer : C. 20%
Description : Ferrous is an equivalent name for which of the following? w) Iron (IV) (pron: iron-4) x) Iron (III) (pron: iron-3) y) Iron (II) (pron: iron-2) z) Iron (I) (pron: iron-1)
Last Answer : ANSWER: Y -- IRON (II)
Description : The element absorbed both in cation and anion form is – (1) Sulphur (2) Nitrogen (3) Calcium (4) Phosphorus
Last Answer : (2) Nitrogen Explanation: Nitrogen, required in large quantities for healthy plant growth, is supplied either as a cation (ammonium) or an anion (nitrate). The ratio of these two forms of nitrogen in the nutrient solution can have large effects on both the rate and direction of pH changes with time.
Description : The element absorbed both in cation and anion form is (1) Sulphur (2) Nitrogen (3) Calcium (4) Phosphorus
Last Answer : Nitrogen
Description : The majority of absorbed fat appears in the forms of (A) HDL (B) Chylomicrone (C) VLDL (D) LDL
Description : . In contact process, SO3 is absorbed in 97% H2SO4 and not in water, because (A) SO3 gas is sparingly soluble in water (B) Water forms an acid mist, which is difficult to absorb (C) The purity of acid is affected (D) Scale formation in the absorber is to be avoided
Last Answer : (B) Water forms an acid mist, which is difficult to absorb
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.
Last Answer : : Fe2O3.nH2O signal of wet ferric oxide
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 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 : 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 : 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 : 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 : 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 : 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 : 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 : 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 : The minimum percentage of silica, alumina and ferric oxide in lime for white washing, is (A) 20 (B) 15 (C) 5 (D) 0
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.