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

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

1 Answer

Answer :

(D) None of these
by

Related questions

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.

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

Which among the following changes are endothermic in nature (a) decomposition of ferrous sulphate (b) dissolution of ammonium chloride in water (c) both (a) and (b) (d) dilution of hydrochloric acid

Description : Which among the following changes are endothermic in nature (a) decomposition of ferrous sulphate (b) dissolution of ammonium chloride in water (c) both (a) and (b) (d) dilution of hydrochloric acid

Last Answer : (c) both (a) and (b)

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

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.

What is aqua regia or raj acid ?

Last Answer : : Nitric and hydrochloric acid in the ratio of 3: 1.

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

Pick out the one which is not a chemical coagulant. (A) Aluminium sulphate (B) Ferrous sulphate (C) Hydrated lime (D) Chloramine

Description : Pick out the one which is not a chemical coagulant. (A) Aluminium sulphate (B) Ferrous sulphate (C) Hydrated lime (D) Chloramine

Last Answer : (D) Chloramine

Blue vitriol is chemically (A) Copper sulphate (B) Ferrous sulphate (C) Copper nitrate (D) Aluminium sulphate

Description : Blue vitriol is chemically (A) Copper sulphate (B) Ferrous sulphate (C) Copper nitrate (D) Aluminium sulphate

Last Answer : (A) Copper sulphate

Concrete tank can be used to store (A) Alum(B) Ferrous sulphate(C) Sulphuric acid(D) Saturated brine

Description : Concrete tank can be used to store (A) Alum (B) Ferrous sulphate (C) Sulphuric acid (D) Saturated brine

Last Answer : (D) Saturated brine

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)

An aluminium strip is kept immersed in a freshly prepared ferrous sulphate solution taken in a test tube, the change observed is that a) Green solution slowly turns brown b) Lower end of the test tube becomes slightly warm c)A colourless gas with smell of burning sulphur is evolved c)Light green solution changes to blue

Description : An aluminium strip is kept immersed in a freshly prepared ferrous sulphate solution taken in a test tube, the change observed is that a) Green solution slowly turns brown b) Lower end of the test ... c)A colourless gas with smell of burning sulphur is evolved c)Light green solution changes to blue

Last Answer : a) Green solution slowly turns brown

Alum is chemically (A) Copper sulphate (B) Aluminium sulphate (C) Ferrous sulphate (D) Ferric sulphate

Description : Alum is chemically (A) Copper sulphate (B) Aluminium sulphate (C) Ferrous sulphate (D) Ferric sulphate

Last Answer : (B) Aluminium sulphate

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

Refined acetic acid storage vessel are made of (A) Copper (B) Aluminium (C) High carbon steel (D) Nickel

Description : Refined acetic acid storage vessel are made of (A) Copper (B) Aluminium (C) High carbon steel (D) Nickel

Last Answer : (B) Aluminium

Hydrochloric acid is stored in a __________ steel vessel. (A) Lead lined (B) Rubber lined (C) Glass lined (D) Stainless

Description : Hydrochloric acid is stored in a __________ steel vessel. (A) Lead lined (B) Rubber lined (C) Glass lined (D) Stainless

Last Answer : (B) Rubber lined

In sewage treatment, its sedimentation is speeded up by commonly adding (A) Hydrochloric acid (B) Lime (C) Copper sulphate (D) Sodium sulphate

Description : In sewage treatment, its sedimentation is speeded up by commonly adding (A) Hydrochloric acid (B) Lime (C) Copper sulphate (D) Sodium sulphate

Last Answer : (B) Lime

Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of (A) Nitric acid (B) Sulphuric acid (C) Ammonium sulphate (D) Hydrochloric acid

Description : Double Contact Double Absorption (DCDA) process is the most recent process for the manufacture of (A) Nitric acid (B) Sulphuric acid (C) Ammonium sulphate (D) Hydrochloric acid

Last Answer : (B) Sulphuric acid

Saw dust can be rendered chemically inert by boiling it in water containing (A) Ferrous sulphate (B) Potassium chloride (C) Ammonia (D) Nitric acid

Description : Saw dust can be rendered chemically inert by boiling it in water containing (A) Ferrous sulphate (B) Potassium chloride (C) Ammonia (D) Nitric acid

Last Answer : Answer: Option A

Stainless steel is not corroded by (A) Hydrochloric acid (10%) (B) Nitric acid (10%) (C) Sulphuric acid (10%) (D) Saturated brine

Description : Stainless steel is not corroded by (A) Hydrochloric acid (10%) (B) Nitric acid (10%) (C) Sulphuric acid (10%) (D) Saturated brine

Last Answer : (B) Nitric acid (10%)

Gunmetal and bronze are not corroded by the action of (A) Wet chlorine (B) Synthetic detergent solution (C) Hydrochloric acid (10%) (D) Nitric acid (< 25%

Description : Gunmetal and bronze are not corroded by the action of (A) Wet chlorine (B) Synthetic detergent solution (C) Hydrochloric acid (10%) (D) Nitric acid (< 25%

Last Answer : (B) Synthetic detergent solution

Graphite is corroded by (A) Sulphuric acid (10%) (B) Sea water (C) Hydrochloric acid (D) None of these

Description : Graphite is corroded by (A) Sulphuric acid (10%) (B) Sea water (C) Hydrochloric acid (D) None of these

Last Answer : (D) None of these

Teflon (PTFE) is corroded by (A) Hydrochloric acid (10%) (B) Hydrochloric acid (95%) (C) Sulphuric acid (D) None of these

Description : Teflon (PTFE) is corroded by (A) Hydrochloric acid (10%) (B) Hydrochloric acid (95%) (C) Sulphuric acid (D) None of these

Last Answer : (D) None of these

Lead lined equipments & vessels are suitable for handling (A) Hydrochloric acid (10%) (B) Nitric acid (C) Sulphuric acid upto 60°C (D) All (A), (B) and (C)

Description : Lead lined equipments & vessels are suitable for handling (A) Hydrochloric acid (10%) (B) Nitric acid (C) Sulphuric acid upto 60°C (D) All (A), (B) and (C)

Last Answer : (C) Sulphuric acid upto 60°C

Zinc granules on treating with an acid X, form the zinc sulphate (ZnSO4) salt along with the evolution of a gas Y which burns with a pop sound when brought near to a burning candle. Identify the acid X and gas evolved Y (a). X- Sulphuric acid and Y- Oxygen gas (b). X- Hydrochloric acid and Y- Oxygen gas (c). X- Sulphuric acid and Y- Hydrogen gas (d). X- Hydrochloric acid and Y- Hydrogen gas

Description : Zinc granules on treating with an acid X, form the zinc sulphate (ZnSO4) salt along with the evolution of a gas Y which burns with a pop sound when brought near to a burning candle. Identify the acid X and ... (c). X- Sulphuric acid and Y- Hydrogen gas (d). X- Hydrochloric acid and Y- Hydrogen gas

Last Answer : (c). X- Sulphuric acid and Y- Hydrogen gas

__________ is not a fertiliser. (A) Calcium ammonium nitrate (B) Ferrous sulphate (C) Liquid ammonia (D) Ammonium sulphate

Description : __________ is not a fertiliser. (A) Calcium ammonium nitrate (B) Ferrous sulphate (C) Liquid ammonia (D) Ammonium sulphate

Last Answer : (B) Ferrous sulphate

Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by (A) Biological oxygen pond (B) Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) (C) Lagoons (D) Filtration

Description : Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by (A) Biological oxygen pond (B) Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) (C) Lagoons (D) Filtration

Last Answer : (B) Radial settling tank (thickener) using coagulant (lime & ferrous sulphate)

The most commonly used chemical coagulant in water treatment is (A) Ferrous sulphate (B) Alum (C) Lime (D) Hydrazine

Description : The most commonly used chemical coagulant in water treatment is (A) Ferrous sulphate (B) Alum (C) Lime (D) Hydrazine

Last Answer : (B) Alum

Which of the following is used as a coagulant in water treatment? (A) Chloramine (B) Chlorine (C) Ferrous sulphate (D) Hydrogen peroxide

Description : Which of the following is used as a coagulant in water treatment? (A) Chloramine (B) Chlorine (C) Ferrous sulphate (D) Hydrogen peroxide

Last Answer : (C) Ferrous sulphate

Which of the following is an yellow pigment? (A) Titanium dioxide (B) Ferrous sulphate (C) Lead chromates (D) Zinc sulphides

Description : Which of the following is an yellow pigment? (A) Titanium dioxide (B) Ferrous sulphate (C) Lead chromates (D) Zinc sulphides

Last Answer : (C) Lead chromates

Write balanced chemical equations for the following reactions: (a) Dilute sulphuric acid reacts with aluminium powder. (b) Dilute hydrochloric acid reacts with sodium carbonate. (c) Carbon dioxide is passed through lime water. -Chemistry

Description : Write balanced chemical equations for the following reactions: (a) Dilute sulphuric acid reacts with aluminium powder. (b) Dilute hydrochloric acid reacts with sodium carbonate. (c) Carbon dioxide is passed through lime water. -Chemistry

Last Answer : i hope it helped you

Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of (A) Rubber lined mild steel (B) Lead lined mild steel (C) Aluminium (D) Cast iron

Description : Acetaldehyde is produced by hydration of acetylene in a sulphuric acid solution of mercuric sulphate. Hydration tower is made of (A) Rubber lined mild steel (B) Lead lined mild steel (C) Aluminium (D) Cast iron

Last Answer : (A) Rubber lined mild steel

List any two observations when Ferrous Sulphate is heated in a dry test tube? -Science

Description : List any two observations when Ferrous Sulphate is heated in a dry test tube? -Science

Last Answer : Two Observations Are: 1) Change in colour of crystals from green to white. 2) Evolution of gas. The gases evolved are SO2 and SO3.

What is the colour of ferrous sulphate crystals? How does this colour change after heating? -Chemistry

Description : What is the colour of ferrous sulphate crystals? How does this colour change after heating? -Chemistry

Last Answer : Answer.The colour of ferrous sulphate is pale green. The colour changes to reddish brown on heating due to formation of iron (III) oxide. Give an example each for ... reactions. Write relevant balanced chemical equations also. Thermal decomposition reaction: Photochemical decomposition reaction:

2g of ferrous sulphate crystals are heated in a dry boiling tube. (i) List any two observations. (ii) Name the type of chemical reaction taking place. (iii) ‘Write the chemical equation for the reaction. -Chemistry

Description : 2g of ferrous sulphate crystals are heated in a dry boiling tube. (i) List any two observations. (ii) Name the type of chemical reaction taking place. (iii) ‘Write the chemical equation for the reaction. -Chemistry

Last Answer : Answer. (i) •Green colour of Fe SO4 disappears and reddish brown solid is formed. • Smell of burning sulphur. (ii) Decomposition reaction