Description : The processof producing noble metals is?
Last Answer : Cyanide Process
Description : Noble metals are?
Last Answer : Silver (Ag); Platinum (Pt) & Gold (Au)
Description : Which scientific method is used for the production/extraction of Noble metals?
Last Answer : Cyanide process
Description : Copper is the most noble of first row transition metals and occurs in small deposits in serveral countries. Ores of copper include chalcanthite `(CuSO
Last Answer : Copper is the most noble of first row transition metals and occurs in small deposits in serveral ... -reduction. Iron is removed from chalcopyrite as.
Last Answer : Copper is the most noble of first row transition metals and occurs in small deposits in ... self-reduction. Partial roasting of chalcopyrite produces
Description : (A) Au,Pt,Ag etc are found in free state (R ) The metals which are noble and chemically less reactive are found in free state
Last Answer : (A) Au,Pt,Ag etc are found in free state (R ) The metals which are noble and chemically less reactive ... D. If (A) is incorrect but (R ) is correct
Description : What is the most active group of nonmetals noble gases alkaline earth halogens alkali metals?
Last Answer : The most active metals are alkali metals.The most active nonmetals are halogens.
Description : Who has the most active group of nonmetals noble gases alkaline earth halogens alkali metals?
Last Answer : Kevin
Description : Why are gold and platinum called noble metals?
Last Answer : Because they don't react with other elements.
Description : One of the following is used to dissolve noble metals. That is – (1) Nitric acid (2) Hydrochloric acid (3) Sulphuric acid (4) Aqua ragia
Last Answer : (4) Aqua ragia Explanation: Aqua regia ("royal water"), aqua aegis ("king's water"), or nitro-hydrochloric acid is a highly corrosive mixture of acids, a fuming yellow or red ... ruthenium, tantalum, osmium, rhodium and a few other metals are capable of withstanding its corrosive properties.
Description : Which one of the following is used to dissolve noble metals?
Last Answer : Aqua regia
Description : Which one occupies the lowermost position in the electromotive series of metals? (A) Aluminium (B) Noble metals (Ag, Pt, Au) (C) Zinc (D) Alkali metals (K, Na, Li)
Last Answer : (B) Noble metals (Ag, Pt, Au)
Description : Pick out the wrong statement pertaining to nitric acid. (A) About 90% of nitric acid is manufactured by Ostwald's process (B) It is a strong mono basic acid which reacts with almost all the ... (mainly NO2 ) (D) Arc process of nitric acid manufacture is economical as compared to Ostwald's process
Last Answer : (D) Arc process of nitric acid manufacture is economical as compared to Ostwald's process
Description : The elements that have an outer electron configuration ns2 (read: n - s - 2) are called: w) halogens x) transition metals y) alkaline earths z) noble gases
Last Answer : ANSWER: Y -- ALKALINE EARTHS
Description : One of the following is used to dissolve noble metals. That is (1) Nitric acid (2) Hydrochloric acid (3) Sulphuric acid (4) Aqua ragia
Last Answer : Aqua ragia
Description : Which among the following is not a noble gas? (a) Argon (b) Radon (c) Neon (d) Bromine
Last Answer : Ans:(d)
Description : The tendency for complex formation is maximum in (a) s-block elements (b) p-block elements (c) noble gases (d) d-block elements
Description : NOBLE GASES ARE:?
Last Answer : Helium (He); Neon (Ne); Argon (Ar); Krypton (Kr); Xenon (Xe); Radon (Rn)
Description : Noble gases were discovered by?
Last Answer : William Ramsay
Description : Noble gases are also called as?
Last Answer : Inert gases
Description : 1st noble gas group in the periodic table?
Last Answer : Helium
Description : Give example of noble gases or inert elements.
Last Answer : Helium, Neon, Argon, Xenon, Krypton etc.
Description : Why are noble gases placed in a separate group?
Last Answer : Nobel gases are very unreactive. So, they are placed in a separate group.
Description : Why are noble gases chemically unreactive?
Last Answer : Noble gases do not form chemical bond on their own with other elements as they have completed shells of electrons
Description : Give reason: Elements of group 18 or group zero are called inert or noble gases.
Last Answer : Elements of group 18 do not form chemical bond on their own with other elements as they have completed shells of electrons. They have no tendency to gain or lose electrons. Hence they are most un-reactive
Description : Max Planck received the noble prize in Physics in 1918 for his discovery of ? A. electron B. energy quanta (Answer) C. photon D. positron
Last Answer : B. energy quanta (Answer)
Description : When a woman gives up a child for adoption do you view it as noble or ignoble?
Last Answer : Without details, this question has no answer and certainly not a “one-word” one.
Description : Though the Kindle is cheaper, is it strange I want to support Barnes & Noble?
Last Answer : As I understand it and I'm sure someone will rush to correct me if I'm wrong the cheaper version of the Kindle is so because it supports advertising. As far as wanting to support Barnes and Noble, there's ... , then by all means get a Nook! After all is said and done it will even out, price wise.
Description : Who will buy Barnes and Noble?
Last Answer : I didn’t know it was for sale.
Description : Do you think it is rude to go to a Barnes and Noble and read a whole book?
Last Answer : I guess some feel as if libraries don’t have mochasippies.
Description : Humdrum existence or a short noble life?
Last Answer : While his words are very compelling, I believe there is such a thing as a long and noble life as well. I would opt for that one.
Description : Are we better off with a crooked congress, or a noble king?
Last Answer : That would not work for several reasons: Hackers could easily sway any vote. If we opened up the floor to any and all ideas, there would be such an influx of suggestions and proposals that ... elects the king in this situation? The internet vote. Again voting over the internet is not reliable.
Description : Shall we glean noble knowledge through the divination of bloody entrails where the carcass of Truth Molested has been sacrificed?
Last Answer : Truth is always more important to me, personally. No matter how ugly or evil it might be.
Description : What is the best way to apply for a barnes and noble job in the bookstore?
Last Answer : Ask for a job application.
Description : A noble device, cursed to accept disgraceful treatment. It's absence can tell a man he doesn't belong. What is it? -Riddles
Last Answer : A urinal.
Description : which of the following is not true in regard to noble gases? -General Knowledge
Last Answer : These elements tend to gain or lose electrons easily. -is not true in regard to noble gases.
Description : The first Indian to receive Noble Prize in Literature was -Awards
Last Answer : Rabindranath Tagore is the ans
Description : Who got noble prize for artificial synthesis of DNA? -Do You Know?
Last Answer : answer:
Description : What is Great or Noble Gas ?
Last Answer : He, Ne, Ar, Kr, Xe, Rn Inert gas because it does not take part in any chemical reaction. They are also called noble gases because they do not react with other elements .
Description : Which is the 3-letter English noble title?
Last Answer : English noble or knightly title which is 3 letters: sir
Description : The correct order of boiling point of noble gases is :
Last Answer : The correct order of boiling point of noble gases is : A. `Xe lt Kr lt Ar lt Ne` B. `Kr lt Xe lt Ar lt Ne ... lt Kr lt Ne` D. ` Xe gt Kr gt Ar gt Ne`
Description : The noble gas was first time discovered by
Last Answer : The noble gas was first time discovered by A. Cavendish B. Willian ramsay C. Rayleigh D. Frankland
Description : The noble gases have closed-shell electronic configuration and are monoatomic gases under normal conditions. The low boiling points of the lighter nob
Last Answer : The noble gases have closed-shell electronic configuration and are monoatomic gases under normal conditions. ... (C) unreactive D. (D) strongly basic
Description : The noble gases have closed-shell electronic cordigaration and are monatomic gases under normal condition .The low bolling points of the ligher noble
Last Answer : The noble gases have closed-shell electronic cordigaration and are monatomic gases under normal condition .The low ... (C) pyramidal D. (D) T-shaped
Last Answer : The noble gases have closed-shell electronic configuration and are monoatomic gases under normal ... flammablity D. (D) high calorific value
Description : Consider following properties of the noble gases. I. They readily form compounds which are colourless. II: They generally do not form ionic compounds.
Last Answer : Consider following properties of the noble gases. I. They readily form compounds which are colourless. II: They ... IV C. I,III,IV D. (D) All
Description : The order of solubility of noble gases in water is
Last Answer : The order of solubility of noble gases in water is A. (A)HegtArgtKrgtNegtXe B. (B)HegtNegtArgtKrgtXe C. (C)XegtArgtKrgtHegtNe D. (D)XegtKrgtArgtNegtHe
Description : How many of the following properties of noble gases would increase from Helium to Radon? Boiling point, First lonisation enthalpy, Atomic volume, Abun
Last Answer : How many of the following properties of noble gases would increase from Helium to Radon? ... Density at STP. Valence electrons, Critical temperature.
Description : Which one of the following configuration represents a noble gas ?
Last Answer : Which one of the following configuration represents a noble gas ? A. `1s^2 2s^2 p^6 , 3s^2` B. `1s^2 2s^2 p^6 ... . `1s^2 2s^2 p^6 , 3s^2 p^6 , 4s^2`
Description : Which one of the following noble gases is not found in atmosphere ?
Last Answer : Which one of the following noble gases is not found in atmosphere ? A. (A) Rn B. (B) Kr C. Ne D. (D) Ar