Dec 04, 2019nbsp018332Question 14 The basic materials needed for production of iron in the blast furnace are lime stone, coke and air in addition to the iron ore. i a Name one iron ore and write its formula. b Hot air is blown in, at the base of the furnace where it reacts with coke. Give the equation for the reaction that takes place.
Common compounds of iron fe fe 2, fe 3. compound name. formula
Cast iron has already been mentioned above. this section deals with the types of iron and steel which are produced as a result of the steel-making process. wrought iron. if all the carbon is removed from the iron to give high purity iron, it is known as wrought iron. wrought iron is quite soft and easily worked and has little structural strength.
Iron products are preparations of iron taken either by mouth or given by injection, to correct iron deficiency in humans. iron is an essential element. it is a component of hemoglobin in the red blood cells and many enzymes in the body.
Jul 06, 2018nbsp018332the formula for the ironii ion is quotfequot2quot and the formula for the oxide ion is quotoquot2-quot.an ionic compound is neutral, so the positive and negative charges are equal. in the case of ironii oxide, one quotfequot2quot ion combined with one quotoquot2-quot ion creates a
Or formula a 666 1 2c b 11 10 12 ... give two reasons why aluminium oxide dissolved in molten cryolite is electrolysed rather than molten aluminium oxide alone. ... what is the name of the ore of iron which consists mainly of ironiii oxide ...
Metamorphic ores often contain lead, zinc, and silver, as well as some iron oxides. sedimentary ore deposits include banded iron formations, and gold, platinum, zinc, tin, and even diamond ...
Apr 16, 2020nbsp018332examples of ores include aluminum, copper, clay and sodium. an ore is a naturally occurring mineral, rock or metal that can be mined in sufficient amounts to sell for a profit. ores can also be a natural product that can be used as a source of a nonmetal.
In a huge container called a blast furnace. iron ores such as haematite contain ironiii oxide, fe 2 o 3. the oxygen must be removed from the ironiii oxide in order to leave the iron behind.
Apr 11, 2020nbsp018332as a result, the mining of iron ore has remained in the control of a few major companies. iron ore is the main ingredient in steel, which makes up 95 percent of the metals used in the world per year. two billion metric tons of raw iron ore are produced in a year. the worlds largest single producer of iron ore is brazilian mining company vale ...
Magnetite fe3o4 and hematite fe2o3 are the primary iron ores, but there is also goethite, limonite and siderite. wikipedia has a nice article on iron ore, and its brief and easy to read.
Dec 12, 2019nbsp018332answer iron is extracted from iron ,ore in a huge container called a blast furnace. iron ores such as haematite contain ironiii oxide, fe 2o 3. the oxygen must be removed from the ironiii oxide in order to leave the iron behind. reactions in which oxygen is removed are called .
Ores are those minerals from which metals are extracted commercially and economically. like bauxite al 2 o 3 2h 2 o is the ore of aluminium which contains 50 to 70 of aluminium oxide.
Jun 14, 2007nbsp018332re name the ores of the following metalsiron,lead,zinc,aluminium. i need it for my chemistry homework.
12 define the term alloy. write two advantages of making alloys 13 a name the chief ore of iron write its formula b how is an iron ore concentrated describe it brief 14 give reasons for each of the following igermanium is called a metalloid iigold is known as a precious metal
This is even harder than pig iron. wrought iron malleable iron. wrought iron is the purest form of iron available commercially available and is prepared from cast iron by heating cast iron in a furnace lined with haematite fe2o3. the haematite reacts with carbon in the cast iron to give pure iron and carbon monoxide gas which escapes.
Or formula a 666 12 c b 11 10 12 ... give two reasons why aluminium oxide dissolved in molten cryolite is electrolysed rather than molten aluminium oxide alone. ... what is the name of the ore of iron which consists mainly of ironiii oxide ...
With the chemical formula fe3o4, magnetite ore has much lower iron content than hematite ore. no matter how i count it, fe2fe2o3 comes as lower a mass fraction than fe3fe3o4. so the ...
Which two of the alkali metals are the most abundant ... give the name and formula for the most commonly used iron ore. hematite, fe2o3. what is the most common method for reducing iron ore to iron metal blast furnace. what newer method for reducing iron ore to iron metal does not involve coke ... name the one metal that conducts electricity ...
Name the chief ore of iron. give its formula share with your friends. share 3. hematite hematite is an oxide of iron in its quotrawquot or quotnaturalquot form. its a mineral, and its ironiii oxide. its formula is fe2o3. hematite is fe2o3. 7 view full answer about us blog terms amp conditions ...
A give two methods to prevent the rusting of iron b name the ores of the following metals i mercury and ii zinc c explain, with the help of a diagram, how impure copper metal can be refined label the important arrangements in the experimental set up.
Nov 02, 2010nbsp018332elements chemical formulas, iron ores in india, mordant dyes, general knowledge in science, general knowledge in chemistry, gk in science, general knowledge in current affairs, latest general knowledge questions, latest general knowledge and current affairs, latest general knowledge india, general knowledge about current affairs, general knowledge about science,
The main ore minerals in bauxite are gibbsite, bohmeite, and diaspore. antimony - the primary ore of antimony is its sulfide, stibnite. ... iron - two major minerals in the production of iron are its oxides, hematite and magnetite. these are found in precambrian iron formations. historically there was also production from goethite and siderite.
Oct 01, 2019nbsp01833253.a give two methods to prevent the rusting of iron. b name the ores of the following metals i mercury, and ii zinc c explain with the help of a diagram, how copper metal can be refined label the important arrangements in the experimental set up. answer. ai painting ii galvanisation bi cinnabar ii zinc blende
For the human brain, iron is essential yet deadly. it exists on earth mainly in two oxidation states - feii and feiii. feiii is predominant within a few meters of the atmosphere which about two billion years ago turned 20 oxygen - oxidizing this iron to the plus three state which is virtually insoluble in water.
Jun 17, 2020nbsp018332give the name and formula of two i strong monobasic acids ii two weak dibasic acids. checkcircle expert answer. the name and the formula have to be given for the two strong monobasic acids, two weak dibasic acids. step 2... want to see the full answer see solution. check out a sample qampa here.