What is aqua regia or raj acid ?

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1 Answer

Answer :

: Nitric and hydrochloric acid in the ratio of 3: 1.
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What is aqua regia or royal acid ?

Description : What is aqua regia or royal acid ?

Last Answer : A mixture of one mole of concentrated nitric acid and three moles of concentrated hydrochloric acid is called Raj acid.

Aqua regia is a 1 : 3 mixture, by volume, of – (1) conc, nitric acid and conc. hydrochloric acid (2) conc. hydrochloric acid and conc. nitric acid (3) conc. nitric acid and cone. sulphuric acid (4) cone. sulphuric acid and cone. nitric acid

Description : Aqua regia is a 1 : 3 mixture, by volume, of – (1) conc, nitric acid and conc. hydrochloric acid (2) conc. hydrochloric acid and conc. nitric acid (3) conc. nitric acid and cone. sulphuric acid (4) cone. sulphuric acid and cone. nitric acid

Last Answer : (1) conc. nitric acid and conc. hydrochloric acid Explanation: Aqua regia or nitro-hydrochloric acid is a highly corrosive mixture of acids, a fuming yellow or red solution. The mixture is ... , tantalum, osmium, rhodium and a few other metals are capable of withstanding its corrosive properties.

Gold dissolves in – (1) Hydrochloric acid (2) Nitric acid (3) Aqua-regia (4) Acetic acid

Description : Gold dissolves in – (1) Hydrochloric acid (2) Nitric acid (3) Aqua-regia (4) Acetic acid

Last Answer : (3) Aqua-regia Explanation: Aqua regia or nitro-hydrochloric acid is a highly corrosive mixture of acids, a fuming yellow or red solution. It was named so because it can dissolve the so-called royal or noble metals, gold and platinum.

Aluminium storage vessel can be used to store (A) Aqua regia (B) Ferrous sulphate (C) Hydrochloric acid (10%) (D) None of these

Description : Aluminium storage vessel can be used to store (A) Aqua regia (B) Ferrous sulphate (C) Hydrochloric acid (10%) (D) None of these

Last Answer : (D) None of these

Rubber lined vessels are corroded by the action of (A) Aqua regia (B) Chloroform (C) Sulphuric acid (95%) (D) All (A), (B) and (C)

Description : Rubber lined vessels are corroded by the action of (A) Aqua regia (B) Chloroform (C) Sulphuric acid (95%) (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

. Nitric acid is not used in the manufacture of (A) Detergents (B) Fertilisers (C) Aqua regia (D) Explosives

Description : . Nitric acid is not used in the manufacture of (A) Detergents (B) Fertilisers (C) Aqua regia (D) Explosives

Last Answer : (A) Detergents

Which one of the following metals is immune to corrosion by air, water, hydrochloric acid and nitric acid; but is soluble in aqua regia? w) gold x) silver y) magnesium z) nickel

Description : Which one of the following metals is immune to corrosion by air, water, hydrochloric acid and nitric acid; but is soluble in aqua regia? w) gold x) silver y) magnesium z) nickel

Last Answer : ANSWER: W -- GOLD

Aqua regia is: w) concentrated nitric acid x) a mixture of three parts of concentrated hydrochloric acid and one part concentrated nitric acid y) concentrated hydrochloric acid z) a mixture of sulfuric acid and hydrochloric acid

Description : Aqua regia is: w) concentrated nitric acid x) a mixture of three parts of concentrated hydrochloric acid and one part concentrated nitric acid y) concentrated hydrochloric acid z) a mixture of sulfuric acid and hydrochloric acid

Last Answer : ANSWER: X -- A MIXTURE OF THREE PARTS OF CONCENTRATED HYDROCHLORIC ACID AND ONE PART CONCENTRATED NITRIC ACID 

Gold dissolves in (1) Hydrochloric acid (2) Nitric acid (3) Aqua-regia (4) Acetic acid

Description : Gold dissolves in (1) Hydrochloric acid (2) Nitric acid (3) Aqua-regia (4) Acetic acid

Last Answer : Aqua-regia

Aqua regia is a 1 : 3 mixture, by volume, of (1) conc. nitric acid and conc. hydrochloric acid (2) conc. hydrochloric acid and conc. nitric acid (3) conc. nitric acid and conc. sulphuric acid (4) conc. sulphuric acid and conc. nitric acid

Description : Aqua regia is a 1 : 3 mixture, by volume, of (1) conc. nitric acid and conc. hydrochloric acid (2) conc. hydrochloric acid and conc. nitric acid (3) conc. nitric acid and conc. sulphuric acid (4) conc. sulphuric acid and conc. nitric acid

Last Answer : conc. nitric acid and conc. hydrochloric acid

What does "aqua regia" mean ?

Description : What does "aqua regia" mean ?

Last Answer : " Aqua regia" refers to a mixture of concentrated hydrochloric acid and nitric acid.

Platinum metal (Pt) dissolves in aqua-regia but not in concentrated HCl ot `HNO_(3)` because

Description : Platinum metal (Pt) dissolves in aqua-regia but not in concentrated HCl ot `HNO_(3)` because

Last Answer : Platinum metal (Pt) dissolves in aqua-regia but not in concentrated HCl ot `HNO_(3)` because A. HCl ... (3)` together give `O_(2)` that oxidises Pt

Platinum metal (Pt) dissolves in aqua-regia but not in concentrated HCl ot `HNO_(3)` because

Description : Platinum metal (Pt) dissolves in aqua-regia but not in concentrated HCl ot `HNO_(3)` because

Last Answer : Platinum metal (Pt) dissolves in aqua-regia but not in concentrated HCl ot `HNO_(3)` because A. HCl ... (3)` together give `O_(2)` that oxidises Pt

Assertion : Gold occurs in native state. Reason : Gold dissolves in aqua-regia.

Description : Assertion : Gold occurs in native state. Reason : Gold dissolves in aqua-regia.

Last Answer : Assertion : Gold occurs in native state. Reason : Gold dissolves in aqua-regia. A. Statement -1 is ... . Statement-1 is false but Statement -2 is true

Aqua regia is a Mixture of the following in the ratio 1:3 by volume–

Description : Aqua regia is a Mixture of the following in the ratio 1:3 by volume–

Last Answer : Conc HNO3 and conc CHL

What is meant by aqua regia?

Description : What is meant by aqua regia?

Last Answer : Mixture of concentrated nitric acid and hy- drochloric acid in the ratio 1:3

Write briefly (a)Allotropy (b) Nebula (c) Enrichment of Uranium (d) Aqua Regia (e) Greenhouse effect (f) Igneous rocks

Description : Write briefly (a)Allotropy (b) Nebula (c) Enrichment of Uranium (d) Aqua Regia (e) Greenhouse effect (f) Igneous rocks

Last Answer : (a)Allotropy existence of a chemical element in two or more different forms For example, the element carbon has two common allotropes: diamond, where the carbon atoms are bonded together in a ... igneous rocks have been described, most of them formed beneath the surface of the Earth's crust.

Write briefly about any five of the following a. Nuclear radiation b. Theodolite c. Dialysis d. Enrichment of Uranium e. Richter Scale f. Aqua regia g. Iodized salt

Description : Write briefly about any five of the following a. Nuclear radiation b. Theodolite c. Dialysis d. Enrichment of Uranium e. Richter Scale f. Aqua regia g. Iodized salt

Last Answer : a. Nuclear radiation Three are atomic nuclei of some elements that continuously emit some ultraviolet waves called radiation. When the process of radiation is stimulated through various nuclear processes ... , and at approximately the same level throughout the year, irrespective of economic level.

Define any five of the following : Acoustics , Quartz , Cross Pollination , Allele , Optical Illusion , Ovulation , Aqua Regia

Description : Define any five of the following : Acoustics , Quartz , Cross Pollination , Allele , Optical Illusion , Ovulation , Aqua Regia

Last Answer : Acoustics : The science of sound dealing with the production, effects, and transmission of sound waves through various mediums. Includes the effects of reflection, refraction, diffraction, absorption, and ... ; it is just about one of the few substances that can dissolve gold and platinum.

Which of the following cannot be stored in glass bottle? A. Aqua regia B. HF (Answer) C. HCL D. HBr

Description : Which of the following cannot be stored in glass bottle? A. Aqua regia B. HF (Answer) C. HCL D. HBr

Last Answer : B. HF (Answer)

CaCl(OCl) is the chemical formula of (A) Hypo (B) Bleaching powder (C) Plaster of Paris (D) Aqua regia

Description : CaCl(OCl) is the chemical formula of (A) Hypo (B) Bleaching powder (C) Plaster of Paris (D) Aqua regia

Last Answer : (B) Bleaching powder

One of the following is used to dissolve noble metals. That is – (1) Nitric acid (2) Hydrochloric acid (3) Sulphuric acid (4) Aqua ragia

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.

One of the following is used to dissolve noble metals. That is (1) Nitric acid (2) Hydrochloric acid (3) Sulphuric acid (4) Aqua ragia

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

Which of the following trees change foliage colour during winter? a. Albizzia lebbek b. Delonix regia c. Sapium sebeferum d. Thuja orientalis

Description : Which of the following trees change foliage colour during winter? a. Albizzia lebbek b. Delonix regia c. Sapium sebeferum d. Thuja orientalis

Last Answer : Sapium sebeferum

Juglans Regia is the real name of what type of nut tree

Description : Juglans Regia is the real name of what type of nut tree

Last Answer : Walnut

Are there any other Aqua Fill stations located near Pacifis Beach, CA?

Description : Are there any other Aqua Fill stations located near Pacifis Beach, CA?

Last Answer : Try calling them @ (800) 922–3005

Does anyone know where I might be able to take adult (don't laugh) aqua aerobics classes in Los Angeles?

Description : Does anyone know where I might be able to take adult (don't laugh) aqua aerobics classes in Los Angeles?

Last Answer : Have you tried your local YM/WCA or park district? Often they will have programs at a reasonable price.

Has anyone used an Aqua Globes?

Description : Has anyone used an Aqua Globes?

Last Answer : Just in case no one is able to give you a review, Amazon has a few listed.

Hi, does anyone know how to set the SONY XPERIE M4 AQUA so that the screen lights up when there are incoming sms, messages on the messenger, etc.? Thanks

Description : Hi, does anyone know how to set the SONY XPERIE M4 AQUA so that the screen lights up when there are incoming sms, messages on the messenger, etc.? Thanks

Last Answer : Need Answer

Nejde mi predna kamera na Sony M4 aqua :(

Description : Hello, when I turn on the camera I can't switch to the front camera. I also can't switch to the front camera or snapchat. Can't advise me how to handle this? I've only had this cell phone for a month ... Thanks for the advice.

Last Answer : Need Answer

The phone will not turn on. Sony M4 Aqua

Description : Hello, when I turn on my phone (Sony M4 Aqua) ... I see a screen with the words Sony (Xperia) it runs for a while, then it flashes (or turns off for + -4-5 seconds) and so it repeats to ... and cracked ... do you think that if I sent it to the complaint, they would send it back because of that?

Last Answer : You can send it for a complaint. The question is whether they will recognize her. You can't count on a broken display. He would only fix the financial compensation. If the error is somewhere else, maybe he'll fix it.

What do indigo mauve puce and aqua have in common?

Description : What do indigo mauve puce and aqua have in common?

Last Answer : Need answer

How much do omega Seamaster aqua terra watches cost?

Description : How much do omega Seamaster aqua terra watches cost?

Last Answer : Omega Seamaster Aqua Terra watches are a very pricey selection of watches. On average, they tend to cost about five thousand dollars. They can be bought on luxuryofwatches.com and other similar watch sites.

How much does it cost for aqua equipment?

Description : How much does it cost for aqua equipment?

Last Answer : You can buy aqua Fitness equipment from Amazon.com, and they range anywhere from 10 to 50 dollars depending on the style of equipment you choose. Amazon is a very reliable site with reasonable prices.

Aqua ammonia is used as refrigerant in the following type of refrigeration system (a) compression (b) direct (c) indirect (d) absorption

Description : Aqua ammonia is used as refrigerant in the following type of refrigeration system (a) compression (b) direct (c) indirect (d) absorption

Last Answer : Ans: d

When urine is passed out several -fold more than in a normal subject, the condition is referred to as (a) Diabetes mellitus (b) Diabetes insipidus (c) Diabetes aqua (d) Diabetes polydipsia

Description : When urine is passed out several -fold more than in a normal subject, the condition is referred to as (a) Diabetes mellitus (b) Diabetes insipidus (c) Diabetes aqua (d) Diabetes polydipsia

Last Answer : Ans:(c)

For the aquatic organisms, the source of food is – (1) Phytoplankton (2) Sea Weed (3) Aqua plankton (4) Zooplankton

Description : For the aquatic organisms, the source of food is – (1) Phytoplankton (2) Sea Weed (3) Aqua plankton (4) Zooplankton

Last Answer : (4) Zooplankton Explanation: Zooplankton are a type of heterotrophic plankton that range from microscopic organisms to large species, such as jellyfish.

What is similarity and dissimilarity in aqua solution and solid aerosols?

Description : What is similarity and dissimilarity in aqua solution and solid aerosols?

Last Answer : Ans. Aqua Sols and solid aerosols both have solid as dispersed phase and have different dispersion medium. Aqua solution contain water and aerosol contain air as dispersion medium. 

"raj" and "rosh" - any etymological connection?

Description : "raj" and "rosh" - any etymological connection?

Last Answer : Awesome. I’m the most amateur linguist there is, and to that, I say, sure seems so!

What does Raj say to the rest of the gang?

Description : What does Raj say to the rest of the gang?

Last Answer : Namaste, white people!

What is a Panchayati Raj ? What is its importance ? -SST 10th

Description : What is a Panchayati Raj ? What is its importance ? -SST 10th

Last Answer : The rural local government is known as the Panchayati Raj. Importance : (i) It helps the people to directly participate in decision-making. (ii) It helps in the decentralisation of power. (iii) It reduces the burden of the central government.

Which is the highest tier of the Panchayati Raj ? Explain its composition. -SST 10th

Description : Which is the highest tier of the Panchayati Raj ? Explain its composition. -SST 10th

Last Answer : The highest institution of the Panchayati Raj in rural areas is the Zila Parishad. The Zila Parishad coordinates the activities of all the Block Samitis in the whole district. Most members of the ... are also its members. The Zila Parishad's Chairperson is the political head of the Zila Parishad.

What is Panchayati Raj? -SST 10th

Description : What is Panchayati Raj? -SST 10th

Last Answer : . Rural local government is popularly known by the name of Panchayati Raj. . It has been divided into three tiers or three levels. . At the village level, there is a Gram Panchayat; at the block level, there is a Block Committee and at the district level, there is a Zilla Parishad.

The system of Panchyati Raj works at which levels ? -SST 10th

Description : The system of Panchyati Raj works at which levels ? -SST 10th

Last Answer : The village, block and district levels.

How has the Panchayati Raj strengthened the democracy in India? -SST 10th

Description : How has the Panchayati Raj strengthened the democracy in India? -SST 10th

Last Answer : Panchayati Raj is the best example of decentralisation of power. (i) People can get their most of the problems solved at the local level. (ii) People can think and plan for themselves.

Explain any five features of Panchayati Raj system in India. -SST 10th

Description : Explain any five features of Panchayati Raj system in India. -SST 10th

Last Answer : Rural local government is known as Panchayati Raj. (i) PRI is rural-based. (ii) Each village has Gram Panchayat. (iii) It has Panchs and a Sarpanch. (iv) He/She is directly elected by ... at least twice or thrice in a year. (vii) Few gram panchayats form Panchayat Samiti or Block or Mandal.

Raj at is a commerce student and wants to do his homework but somehow he has lost his calculator and wants to take computer’s help. -Technology

Description : Raj at is a commerce student and wants to do his homework but somehow he has lost his calculator and wants to take computer’s help. -Technology

Last Answer : Rajat can use calculator in the system that can do simple as well as sophisticated calculations.To start the calculator:Click Start —> All Programs —> Accessories —> Calculator.

With which amendment act has Panchayati Raj received constitutional status? -General Knowledge

Description : With which amendment act has Panchayati Raj received constitutional status? -General Knowledge

Last Answer : The answer is '73rd'

What is the source of maximum income to Panchayati Raj? -General Knowledge

Description : What is the source of maximum income to Panchayati Raj? -General Knowledge

Last Answer : The answer is 'Government grants'

Which is at the apex of the-three tier system of Panchayati Raj ? -General Knowledge

Description : Which is at the apex of the-three tier system of Panchayati Raj ? -General Knowledge

Last Answer : The answer is 'ZilaParishad '