Soil having high content of aluminum and iron oxide is also known as - (1) meadow soil (2) pedalfer soil (3) chernozen soil (4) podzol soil

1 Answer

Answer :

(2) pedalfer soil Explanation: Pedalfer soil is composed of aluminum and iron oxides. It is a subdivision of the zonal soil order comprising a large group of soils in which sesquioxides increase relative to silica during soil formation.

Related questions

Description : The B-horizon of a pedalfer soil is noted for its accumulation of: w) carbonate x) nitrogen y) humus z) oxides

Last Answer : ANSWER: Z -- OXIDES

Description : Which one of the following pairs is not correctly matched? (1) lchadar - Zonal soil (2) Podzol - Zonal soil (3) Chestnut - Zonal soil (4) Bhangar - Azonal soil

Last Answer : (1) lchadar - Zonal soil Explanation: Alluvial soils (chadar and bhangar) are azonal soils. They form in transported and recently deposited materials. Azonal soils have a profile determined predominantly by factors other than local climate and vegetation.

Description : To which group does the black cotton soil of India belong? (1) Laterite (2) Podzol (3) Chemozem (4) Alluvial

Last Answer : (3) Chemozem Explanation: Chernozem (meaning: black soil), or 'black earth’, is a black-coloured soil containing a high percentage of humus (7% to 15%), and high percentages of phosphoric acids, phosphorus and ammonia. It is very fertile and produces a high agricultural yield.

Description : Which one of the following pairs is not correctly matched ? (1) Khadar – Zonal soil (2) Podzol – Zonal soil (3) Chestnut – Zonal soil (4) Bhangar – Azonal soil

Last Answer : Khadar – Zonal soil 

Description : Thermite is a mixture of aluminum and: w) hematite x) sodium oxide y) iron z) magnesium

Last Answer : ANSWER: W -- HEMATITE

Description : What are the growing conditions and dimensions of Thalictrum 'Meadow Sparkle' and soil pH requirements?

Last Answer : Need Answer

Description : The displacement reaction between iron (III) oxide and a metal X is used for welding the rail tracks. Here X is: (a) Copper granules (b) Magnesium ribbon (c) Sodium pellets (d) Aluminum dust

Last Answer : (d) Aluminum dust

Description : How many moles of aluminum oxide are present in a sample having a mass of 178.43g?

Last Answer : The number of moles is 6,631.

Description : How do I turn part of my backyard into a flowered-meadow (and, hopefully, a small Zen garden)?

Last Answer : Ok, things that grow quickly and viciously, but still stay small – bit of an oxymoron there. If you don’t want to have to trim things back (and are bothered if things get a bit carried away) then you need to go with plants that don’t grow that aggressively.

Description : care for meadow sage

Last Answer : Need Answer

Last Answer : Located in USA and Canada.

Description : Saxifraga - Cobweb Saxifrage, London Pride, Meadow Saxifrage, Mother-Of-Thousands, Prattling Parnell, Prince's-Feather, Rockfoil, St.-Patrick's-Cabbage, Strawberry Begonia, Strawberry Geranium

Last Answer : DESCRIPTION: Saxifraga is a large group of hardy perennial plants. Only a few are annuals or biennials. They are mostly natives of North and South Temperate and Arctic regions. A few are found in Asia and ... S. Petraschii; S. primulaize; S. Riverslea; S. Salomonii; S. tyrolensis (a natural hybrid).

Description : What is Aluminum Oxide ?

Last Answer : Aluminum oxide or aluminum oxide is a chemical compound composed of a combination of aluminum and oxygen whose chemical symbol is Al2O3 . While it is commonly known as alumina, it has several names, including alloxide , alloxite, or alum.

Description : Which of the following substances would be the best choice to neutralize aqueous Sodium Hydroxide? w) sodium carbonate x) silicon dioxide y) aluminum oxide z) phosphorus pentoxide

Last Answer : ANSWER: Z -- PHOSPHORUS PENTOXIDE

Description : Name the process used to obtain Aluminum by electrolysis of aluminum oxide dissolved in molten cryolite?

Last Answer : ANSWER: HALL PROCESS

Description : Which of the following elements would form an acid oxide with the formula XO2 and an acidic compound with hydrogen with the formula XH2? w) Sodium x) Magnesium y) Aluminum z) Sulfur

Last Answer : ANSWER: Z -- SULFUR

Description : Soundness test of cement is done to determine its a) Durability in seawater b) Free lime content* c) Iron oxide content d) Alumina content

Last Answer : b) Free lime content*

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 : The powder component of IRM is essentially A. EBA with methyl methacrylate B. Zinc oxide with EBA C. Zinc oxide and aluminum oxide D. Zinc oxide and methyl methacrylate E. Zinc oxide and ethyl methacrylate

Last Answer : D. Zinc oxide and methyl methacrylate

Description : Which rotary instrument gives the smoothest enamel cut? a. carborundum stone (green stone) b. aluminum oxide stone (white stone) c. plain fissure bur d. cross-cut fissure bur e. medium diamond bur (great efficiency but roughest cut)

Last Answer : c. plain fissure bur

Description : Which of the following is also known as 'Galena'? (1) Lead sulphate (2) Lead oxide (3) Lead sulphide (4) Calcium sulphate

Last Answer : (3) Lead sulphide Explanation: Galena, also called lead glance, is the natural mineral form of lead sulfide. It is the most important ore of lead and an important source of silver.

Description : White colour of soil is due to the presence of – a) Silica b) Iron c) Manganese oxide d) All of these

Last Answer : c) Manganese oxide

Description : Which one of the following impurity is not desirable in the soil used for brick formation a) Alkali b) Kankar c) Iron oxide d) Alkali & Kankar*

Last Answer : d) Alkali & Kankar*

Description : Which of the following metals is LEAST reactive toward atmospheric oxygen? w) Lead x) Copper y) Iron z) Aluminum

Last Answer : ANSWER: X -- COPPER

Description : The minimum water content at which the soil retains its liquid state and also possesses a small shearing strength against flowing, is known (A) Liquid limit (B) Plastic limit (C) Shrinkage limit (D) Permeability limit

Last Answer : (A) Liquid limit

Description : (3) preventing rapid setting of cement Explanation: Portland cement clinker is a hydraulic material which shall consist of at least two-thirds by mass of calcium silicates, the remainder consisting of ... mixed with water by way of a complex series of chemical reactions still only partly understood.

Last Answer : Milk is a colloidal system in which: (1) Water is dispersed in fat (2) Fat is dispersed in water (3) Fat and water are dispersed in each other (4) Fat is dissolved

Description : Name the two varieties of iron ore in India having high content of iron. -SST 10th

Last Answer : The two varieties of iron ore of India having high iron content are magnetite and hematite.Magnetite is the finest quality iron ore with very high iron content upto 70 per cent. Hematite has an iron ... country which lags in production of iron and steel in spite of having good reserves of iron ore.

Description : Which of the following imparts a blue colour to glass? (1) Cobalt oxide (2) Copper oxide (3) Iron oxide (4) Nickel oxide

Last Answer : (1) Cobalt oxide Explanation: The addition of oxides, sulfides, salts, and other compounds of different metals to molten glass at the time of manufacture adds colour to glass. The introduction of ... colour; copper oxide: turquoise; chromium: dark green to black; cadmium sulfide: deep yellow, etc.

Description : Adding which substance gives blue colour to glass? (1) Manganese oxide (2) Cobalt oxide (3) Chromium oxide (4) Iron oxide

Last Answer : (2) Cobalt oxide Explanation: Cobalt is the strongest of the coloring oxides, giving a range of blues in most glasses. It is such a powerful colorant that only a few parts per million is needed to produce a light blue color such as the shade used for certain bottled waters.

Description : Which of the following is used as lubricant? (1) Graphite (2) Silica (3) Diamond (4) Iron Oxide

Last Answer : (1) Graphite Explanation: Graphite is used as a lubricant due to its slippery nature. Due to its loosely intact carbon atoms or free electrons, they can move around easily from one place to another, making graphite a good conductor of electricity.

Description : Which of the following is used as lubricant? (1) Graphite (2) Silica (3) Diamond (4) Iron Oxide

Last Answer : (1) Graphite Explanation: Graphite is used as a lubricant due to its slippery nature. Due to its loosely intact carbon atoms or free electrons, they can move around easily from one place to another, making graphite a good conductor of electricity.

Description : Write balanced chemical equations for the following word equations: (a) Iron + Chlorine → Iron (III) chloride (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water (c) Magnesium + oxygen → ... oxide (d) Calcium oxide + water → Calcium hydroxide (e) Sodium + chlorine → Sodium chloride

Last Answer : (a) Iron + Chlorine → Iron (III) chloride 4Fe + 3Cl2 → 2F2Cl3 (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water 2Mg + 2H2SO4 → 2MgSO4 + 2H2 (c) Magnesium + oxygen → Magnesium oxide 2Mg ... hydroxide CaO + H2O → Ca(OH)2 (e) Sodium + chlorine → Sodium chloride 2Na + Cl2 → 2NaCl

Description : Write the molecular formulae of: 1. Copper oxide 2. Iron (III) chloride 3. Sodium hydroxide 4. Iron (II) sulphide 5. Lead (II) oxide 6. Hydrogen nitrate (nitric ... Hydrogen sulphate (sulphuric acid) 8. Calcium hydroxide 9. Magnesium carbonate 10.Ammonium carbonate

Last Answer : 1. Copper oxide - CuO 2. Iron (III) chloride - FeCl3 3. Sodium hydroxide - NaOH 4. Iron (II) sulphide - FeS 5. Lead (II) oxide - PbO 6. Hydrogen nitrate (nitric acid) - HNO3 7. ... ) - H2SO4 8. Calcium hydroxide - Ca(OH)2 9. Magnesium carbonate - MgCO3 10.Ammonium carbonate - (NH4)2CO3

Description : What is used as a photocatalyst? a) Titanium dioxide b) Lead chromate c) Cobalt pigments d) Iron oxide

Last Answer : a) Titanium dioxide

Description : Which of the following is the primary reason for adding calcium carbonate to the reduction process of iron oxide ores ? The calcium carbonate: w) acts as an oxidizing agent x) removes silicate waste products y) acts as a reducing agent z) removes sulfur waste products

Last Answer : ANSWER: X -- REMOVES SILICATE WASTE PRODUCTS

Description : Which of the following materials are used in the manufacture of pig iron from iron ore? w) Limestone and carbon x) Calcium oxide and oxygen y) Chromium and nickel z) Oxygen and sulfur dioxide

Last Answer : ANSWER: W -- LIMESTONE AND CARBON

Description : What metal is used as a reducing agent to obtain iron from iron oxide in the Thermite process?

Last Answer : ANSWER: ALUMINUM 

Description : Which of the following imparts a blue colour to glass ? (1) Cabalt oxide (2) Copper oxide (3) Iron oxide (4) Nickel oxide

Last Answer : Cabalt oxide

Description : Which metal does not undergo corrosion due to the formation of oxide layer? (1) Copper (2) Iron (3) Aluminium (4) Zinc

Last Answer : Aluminium

Description : Portland cement manufactured from pure white chalk and clay but free from iron-oxide, is known as (A) Quick setting cement (B) Rapid hardening cement (C) White cement (D) Low heat Portland cement

Last Answer : Answer: Option C

Description : Oxide of sulphur present in the atmosphere are washed down by rains to cause – (1) Depletion of fossil fuel reserves (2) Eutrophication in lakes (3) Lowering of pH of soil (4) Industrial smog formation

Last Answer : (1) Depletion of fossil fuel reserves Explanation: The oxide of Sulphur (Sulphur Dioxide) is washed down on earth as acid rain.

Description : Oxide of sulphur present in the atmosphere are washed down by rains to cause : (1) Depletion of fossil fuel reserves (2) Eutrophication in lakes (3) Lowering of pH of soil (4) Industrial smog formation

Last Answer : Depletion of fossil fuel reserves

Description : Which is also called Stranger Gas? (1) Xenon (2) Neon (3) Argon (4) Nitrous oxide

Last Answer : (1) Xenon Explanation: Xenon is also called Stranger Gas. The element's name came from the Greek word xenos, which means 'stranger'. Xenon belongs to the group of the noble gases.

Description : how to connect a round aluminum tube to flat cast iron

Last Answer : Need Answer

Description : Why does aluminum not corrode like iron?

Last Answer : On the aluminium surface a coating of protective aluminium oxide is formed.

Description : How Aluminum iron copper and oxygen are all examples of what compounds mixtures elements gases?

Last Answer : Need answer

Description : What are the advantages of iron patio furniture over aluminum?

Last Answer : Iron Patio furniture is more weather resistant and may last longer than aluminum patio furniture however it may also cost more.

Description : What property can you use to tell the difference in iron and aluminum?

Last Answer : Magnetism.

Description : How long does it take for aluminum and iron to decompose?

Last Answer : Thick metals like iron, will not decompose, but will eventually break apart. Flimsy metals such as aluminum would decompose after about 200-500 years.

Description : Permanent magnet is normally made of- (a) Aluminum (b) Wrought iron (c) Cast iron (d) Alnico alloys

Last Answer : Ans: C