Which elementis produced when concentrated cinnabar is roasted in the excess of air? -Do You Know?

Which elementis produced when concentrated cinnabar is roasted in the excess of air? -Do You Know?
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Which elementis produced when concentrated cinnabar is roasted in the excess of air?

Description : Which elementis produced when concentrated cinnabar is roasted in the excess of air?

Last Answer : Hg

When copper pyrites is roasted in excess of air, a mixture of `CuO + FeO` is formed. `FeO` is present as impurity. This can be removed as slag during

Description : When copper pyrites is roasted in excess of air, a mixture of `CuO + FeO` is formed. `FeO` is present as impurity. This can be removed as slag during

Last Answer : When copper pyrites is roasted in excess of air, a mixture of `CuO + FeO` is formed. `FeO` is present ... a basic flux D. CaO, which is a basic flux

Excess of `PCl_(5)` reacts with concentrated `H_(2)SO_(4)` giving :

Description : Excess of `PCl_(5)` reacts with concentrated `H_(2)SO_(4)` giving :

Last Answer : Excess of `PCl_(5)` reacts with concentrated `H_(2)SO_(4)` giving : A. Sulphuryl ... . Sulphurous acid C. Chlorosulphonic acid D. Thionyl choride

Excess of `PCl_(5)` reacts with concentrated `H_(2)SO_(4)` giving :

Description : Excess of `PCl_(5)` reacts with concentrated `H_(2)SO_(4)` giving :

Last Answer : Excess of `PCl_(5)` reacts with concentrated `H_(2)SO_(4)` giving : A. Thionyl ... Sulphurous chloride C. Chlorosulphonic acid D. sulphonating agent

Diethyl ether reacts with excess of hot concentrated HI to form (a) CH3CH2I + CH3CH2OH (b) Only CH3CH2OH (c) CH3CH2OH + CH2=CH2 (d) Only CH3CH2

Description : Diethyl ether reacts with excess of hot concentrated HI to form (a) CH3CH2I + CH3CH2OH (b) Only CH3CH2OH (c) CH3CH2OH + CH2=CH2 (d) Only CH3CH2

Last Answer : Only CH3CH2

Diethyl ether on heating with excess concentrated HI gives (a) Methyl iodide (b) Isopropyl iodide (c) Ethyl iodide (d) n-Propyl iodide

Description : Diethyl ether on heating with excess concentrated HI gives (a) Methyl iodide (b) Isopropyl iodide (c) Ethyl iodide (d) n-Propyl iodide

Last Answer : Ethyl iodide

What is cinnabar? How is metal extracted from cinnabar? Explain briefly. -Science

Description : What is cinnabar? How is metal extracted from cinnabar? Explain briefly. -Science

Last Answer : Cinnabar is HgS. Mercury is obtained by roasting cinnabar. HgO formed is thermally unstable and gives mercury. Mercury can be purified by distillation.

How many of the following are oxides ores (i) Carnalite (ii) Cuprite (iii) Cassiterite (iv) Chromite (v) Cinnabar (vi) Calamine (vii) Cerussite (Viii)

Description : How many of the following are oxides ores (i) Carnalite (ii) Cuprite (iii) Cassiterite (iv) Chromite (v) Cinnabar (vi) Calamine (vii) Cerussite (Viii)

Last Answer : How many of the following are oxides ores (i) Carnalite (ii) Cuprite (iii) Cassiterite (iv) ... (vii) Cerussite (Viii) Chalocopyrite (ix) Chalcocite

Statement-1: Auto reduction of ores is used for cinnabar, copper glance and Galena ores Statement-2:The sulphide ores of these metals react with their

Description : Statement-1: Auto reduction of ores is used for cinnabar, copper glance and Galena ores Statement-2:The sulphide ores of these metals react with their

Last Answer : Statement-1: Auto reduction of ores is used for cinnabar, copper glance and Galena ores Statement-2: ... Statement-1 is false but Statement -2 is true

Iron is extracted from - (1) Cinnabar (2) Haematite (3) Bauxite (4) Dolomite

Description : Iron is extracted from - (1) Cinnabar (2) Haematite (3) Bauxite (4) Dolomite

Last Answer : (2) Haematite Explanation: Haematite is mined as the main ore of iron. It is harder than pure iron, but much more brittle. It is coloured black to steel or silver-gray, brown to reddish brown, or red.

Cinnabar is an ore/mineral of – (1) Lead (2) Manganese (3) Molybdenum (4) Mercury

Description : Cinnabar is an ore/mineral of – (1) Lead (2) Manganese (3) Molybdenum (4) Mercury

Last Answer : (4) Mercury Explanation: Cinnabarrefers to the common bright scarlet to brick red form of mercuryasullide (HgS) that is the most common source ore for refining elemental mercury. It is the historic source for the brilliant red or scarlet pigment termed vermilion and associated red mercury pigments.

What mineral is the most dense? w) hematite x) cinnabar y) marcasite z) rhodochrosite

Description : What mineral is the most dense? w) hematite x) cinnabar y) marcasite z) rhodochrosite

Last Answer : ANSWER: X -- CINNABAR

Cinnabar, pyrite and galena are minerals which consist of one or more metals combined with the same element. Which one of the following is the element that is common to all three of these minerals? Is it: w) iron x) copper y) sulfur z) sodium

Description : Cinnabar, pyrite and galena are minerals which consist of one or more metals combined with the same element. Which one of the following is the element that is common to all three of these minerals? Is it: w) iron x) copper y) sulfur z) sodium

Last Answer : ANSWER: C-- SULFUR

"Fool's gold" is a common name for this mineral: w) halite x) cinnabar y) magnetite z) pyrite

Description : "Fool's gold" is a common name for this mineral: w) halite x) cinnabar y) magnetite z) pyrite 

Last Answer : ANSWER: Z -- PYRITE  

Cinnabar is an ore/mineral of (1) Lead (2) Manganese (3) Molybdenum (4) Mercury

Description : Cinnabar is an ore/mineral of (1) Lead (2) Manganese (3) Molybdenum (4) Mercury

Last Answer : Mercury

Iron is extracted from (1) Cinnabar (2) Haematite (3) Bauxite (4) Dolomite

Description : Iron is extracted from (1) Cinnabar (2) Haematite (3) Bauxite (4) Dolomite

Last Answer : Haematite

Short/intense flame is produced during combustion of gaseous fuel by using (A) High amount/current of combustion air(B) Low amount/current of combustion air(C) Preheated secondary air(D) Very little excess air

Description : Short/intense flame is produced during combustion of gaseous fuel by using (A) High amount/current of combustion air (B) Low amount/current of combustion air (C) Preheated secondary air (D) Very little excess air

Last Answer : (A) High amount/current of combustion air

Concentrated sulphuric acid is always diluted by adding which thing? -Do You Know?

Description : Concentrated sulphuric acid is always diluted by adding which thing? -Do You Know?

Last Answer : answer:

About 50% of the world population is concentrated between the latitudes of which degrees? -Do You Know?

Description : About 50% of the world population is concentrated between the latitudes of which degrees? -Do You Know?

Last Answer : answer:

In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. (A) Concentrate (B) Tailing (C) Middling (D) None of these

Description : In coal washeries, three products namely the valuable product (i.e. clean/washed coal), discarded product (i.e. mineral matter) and an additional concentrated product called __________ is produced. (A) Concentrate (B) Tailing (C) Middling (D) None of these

Last Answer : (C) Middling

. A dilute aqueous solution is to be concentrated in an evaporator system. High pressure steam is available. Multiple effect evaporator system is employed, because (A) Total heat transfer area of all the effects is -less than that in a single effect evaporator system (B) Total amount of vapor produced per Kg of feed steam in a multiple effect system is much higher than in a single effect (C) Boiling point elevation in a single effect system is much higher than that in any effect in a multi-effect system (D) Heat transfer co-efficient in a single effect is much lower than that in any effect in a multi-effect system

Description : . A dilute aqueous solution is to be concentrated in an evaporator system. High pressure steam is available. Multiple effect evaporator system is employed, because (A) Total heat transfer area of ... in a single effect is much lower than that in any effect in a multi-effect system

Last Answer : (B) Total amount of vapor produced per Kg of feed steam in a multiple effect system is much higher than in a single effect

Phosphoric acid is produced in wet process from phosphate rock and (A) Dilute H2SO4 (B) Concentrated H2SO4 (C) Concentrated NHO3 (D) Concentrated HCl

Description : Phosphoric acid is produced in wet process from phosphate rock and (A) Dilute H2SO4 (B) Concentrated H2SO4 (C) Concentrated NHO3 (D) Concentrated HCl

Last Answer : (A) Dilute H2SO4

When ethanol is heated with concentrated H2SO4, a gas is produced. Which of the following compounds is formed when this gas is treated with bromine in CCl4?E2 (a) Bromomethane (b) 1,2-Dibromoethane (c) Bromoethane (d) 1,1,2,2-Tetrabromoethane

Description : When ethanol is heated with concentrated H2SO4, a gas is produced. Which of the following compounds is formed when this gas is treated with bromine in CCl4?E2 (a) Bromomethane (b) 1,2-Dibromoethane (c) Bromoethane (d) 1,1,2,2-Tetrabromoethane

Last Answer : 1,2-Dibromoethane

Have you ever spilled the freshly roasted Thanksgiving turkey on the floor?

Description : Have you ever spilled the freshly roasted Thanksgiving turkey on the floor?

Last Answer : Yup. Nobody cared. Wiped it off with a damp paper towel, told everybody so they could opt out of eating it if they wanted, served it up. We were young and didn’t worry about a lot of stuff.

Can I add my own salt to roasted salted cashews?

Description : Can I add my own salt to roasted salted cashews?

Last Answer : I don’t think the “Kitchen Police” will come and arrest you. Just don’t go WAY OVER on the salt.

How much is too much of honey roasted cashews ?

Description : How much is too much of honey roasted cashews ?

Last Answer : answer:See this chart: http://www.fatsecret.com/calories-nutrition/generic/cashew-nuts-honey-roasted There are a fair number of carbs and calories, and cashews (like all nuts) have a comparatively ... may work out strenuously, so the calories may be put to immediate use. Everyone is different.

Has anyone ever roasted **** in lard?

Description : Has anyone ever roasted pork in lard?

Last Answer : I’m sorry that nobody has answered this, because that sounds delicious. If you make it, you should post here and let everyone know how it turned out!

I need a starch suggestion to be paired with a Roasted Salmon with a Citrus Beurre Blanc?

Description : I need a starch suggestion to be paired with a Roasted Salmon with a Citrus Beurre Blanc?

Last Answer : Sauteed parsnips are surprisingly rich in flavor. The sugars caramelize, giving a nice texture, and they are delicious. I slice them thinly in about two inch lengths, and then sautee slowly in butter.

Roasted Carrots and Parsnips - What herbs do you use for ********* Dinner?

Description : Roasted Carrots and Parsnips - What herbs do you use for Christmas Dinner?

Last Answer : Anything that’s better than my empty plate. Ahem, I mean, can that be for 9? :P

Does anyone who has ever roasted a goose have any goose roasting tips?

Description : Does anyone who has ever roasted a goose have any goose roasting tips?

Last Answer : I have roasted a goose, but mine came from the store with all the feathers already gone, including the little hair-like ones. These are called pin feathers. If you plan to eat the skin ( ... flavorful things. You can get some ideas here. I roasted mine stuffed with potatoes, pears and onions.

For those of you who love/eat roasted pumpkin seeds, do you eat the whole thing (shell and all), or just the "meat"/no shell?

Description : For those of you who love/eat roasted pumpkin seeds, do you eat the whole thing (shell and all), or just the "meat"/no shell?

Last Answer : I am roasting some seeds right now. I have never heard of taking the hull off. It would be too much work.

When coffee is roasted, do you think location of the roasterie affects the flavor?

Description : When coffee is roasted, do you think location of the roasterie affects the flavor?

Last Answer : Since the taste (as far as I’ve learned) is affected by the temperature and duration of the roast (and the variety of bean, of course), perhaps they taste different because different roasters roast different beans at different temps and for different lengths of time.

Has anyone bought and roasted green coffee beans and was it worth the effort?

Description : Has anyone bought and roasted green coffee beans and was it worth the effort?

Last Answer : I have a roaster and always roasted my own beans until I had to stop drinking coffee. You can find wonderful varieties of fair-trade green coffee on line, and fresh-roasted coffee is an entirely different ... nor expensive, and while some may find it fussy , to me it has always been a pleasure.

Is roasted garlic good for you?

Description : Is roasted garlic good for you?

Last Answer : I don’t see why it wouldn’t be. As long as its not burned or else it becomes bitter

Is all coffee roasted?

Description : Is all coffee roasted?

Last Answer : A green coffee bean must be roasted to get the flavor we know as coffee. I suppose you could brew the green bean but suspect you will end up with a bean soup or an interesting side dish.

How should you reply after you get roasted?

Description : How should you reply after you get roasted?

Last Answer : I am so stupid I only understood half of it but thanks for the compliments!

Can Filbert nuts be picked green and dried or roasted?

Description : Can Filbert nuts be picked green and dried or roasted?

Last Answer : Need Answer

Is the roasted chicken salted with salt?

Description : When roasting chicken on KG salt will not be too salty?

Last Answer : No, it's not and you still have to salt it whole.

In the process of extraction of gold. Roasted gold ore `+CN^(-)+H_(2)O overset(O_(2))rarr [X]+OH^(-)` `[X]+Znrarr [Y]+Au` Identify the complexes `[X]

Description : In the process of extraction of gold. Roasted gold ore `+CN^(-)+H_(2)O overset(O_(2))rarr [X]+OH^(-)` `[X]+Znrarr [Y]+Au` Identify the complexes `[X]

Last Answer : In the process of extraction of gold. Roasted gold ore `+CN^(-)+H_(2)O overset(O_(2))rarr [X]+OH^(-)` `[X]+ ... (4)]^(-),[Y] =[Zn (CN_(4))]^(-2)`

Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove the volatile impurities ,During r

Description : Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove the volatile impurities ,During r

Last Answer : Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to ... molten slag `Fe_(2)(SiO_(3))_(3)`

Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove the volatile impurities ,During r

Description : Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove the volatile impurities ,During r

Last Answer : Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove ... is A. 10 B. 20 C. 30 D. 40

Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove the volatile impurities ,During r

Description : Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove the volatile impurities ,During r

Last Answer : Cost iron is prepared from haematite . In most of the Cases ore needs no concentration ,The ore is roasted to remove ... C` C. `FeC_(3)` D. `Fe_(2)C`

In the process of extraction of gold, Roasted gold ore `+CN^(-)+H_2Ooverset(o_2)rarr[X]+OH^(-)` `[X]+Znrarr[Y]+Au` Identify the complexes [X] and [Y]

Description : In the process of extraction of gold, Roasted gold ore `+CN^(-)+H_2Ooverset(o_2)rarr[X]+OH^(-)` `[X]+Znrarr[Y]+Au` Identify the complexes [X] and [Y]

Last Answer : In the process of extraction of gold, Roasted gold ore `+CN^(-)+H_2Ooverset(o_2)rarr[X]+OH^(-)` `[X]+Znrarr[Y]+Au` ... _(4)]^(3-),Y=[Zn(CN)_(6)]^(2-)`

Roasted tin-stone ore after washing with water is known as

Description : Roasted tin-stone ore after washing with water is known as

Last Answer : Roasted tin-stone ore after washing with water is known as A. Moistuyre is removed B. As ... makes it sutiable for ready reduction to metallic iron.

In extractive metallurgy of lead, the reduction of the roasted ore to the molten metal by heating with coke is called

Description : In extractive metallurgy of lead, the reduction of the roasted ore to the molten metal by heating with coke is called

Last Answer : In extractive metallurgy of lead, the reduction of the roasted ore to the molten metal by heating with ... B. roasting C. calcination D. None of these

What is a good way to make roasted asparagus?

Description : What is a good way to make roasted asparagus?

Last Answer : For online prepare Roasted Asparagus on the internet. Then search food in an online food store. The find a good recipe for prepare and cooking Roasted Asparagus. The first one will be Food and Cooking.

Which vegetables taste good roasted?

Description : Which vegetables taste good roasted?

Last Answer : As grilling vegetables is to summer, so roasting vegetables is to fall and winter. Not only does the cooler weather make it a wonderful time to turn on the oven for an hour, but the ... like carrots, onions, potatoes, sweet potatoes, Brussels sprouts, turnips, winter squash, eggplant, and more

What are some good Roasted Vegetable recipes?

Description : What are some good Roasted Vegetable recipes?

Last Answer : A good recipe would be oven-roasted asparagus, which can be found here: http://allrecipes.com/recipe/oven-roasted-asparagus/detail.aspx Another good roasted vegetable recipe can also be found here: http://www.food.com/recipe/the-easiest-and-best-oven-roasted-vegetables-98246

Roasted Potatoes?

Description : Roasted Potatoes?

Last Answer : Ingredients1 1/2 lb Idaho potaotes, peeled andCut into 1-1/4-inch chunks 3 tb Rendered goose or duck fat(I use olive oil) 1 tb Chopped fresh parsley2 ts Chopped fresh garlicChopped by HAND Coarse (Kosher) salt Contributed to the echo by: Janice Norman Originally

Roasted Red Pepper Mustard?

Description : Roasted Red Pepper Mustard?

Last Answer : Ingredients1 1/2 lb Red bell peppers1/2 c Dry red wine10 Drops hot pepper sauce2 md Garlic cloves, halved1/4 ts Cayenne pepper1 tb Coarse kosher salt3/4 c Imported English-style drymustard 1 ts Crushed ... . (Can be stored in refrigerator three months.) From Bon Appetit, Dec '85. Makes 3 cups