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

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

1 Answer

Answer :

(D) All (A), (B) and (C)
by

Related questions

Polythene (low or high density) containers are not corroded by (A) Sulphuric acid (10%) at room temperature (B) Nitric acid (95%) at room temperature (C) Sulphur trioxide at 60°C (D) Any of these

Description : Polythene (low or high density) containers are not corroded by (A) Sulphuric acid (10%) at room temperature (B) Nitric acid (95%) at room temperature (C) Sulphur trioxide at 60°C (D) Any of these

Last Answer : (A) Sulphuric acid (10%) at room temperature

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

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.

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

Silicone rubber is not resistant to the corrosive action of (A) Sulphuric acid (10%) (B) Sulphuric acid (95%) (C) Ether (D) Both (B) and (C)

Description : Silicone rubber is not resistant to the corrosive action of (A) Sulphuric acid (10%) (B) Sulphuric acid (95%) (C) Ether (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

Out of the following, copper vessels are the most suitable for the storage of (A) Bromine (B) Dry chlorine & dry fluorine (C) Nitric acid (95% and fuming) (D) Phosphoric acid (95%) & sulphuric acid (95% and fuming)

Description : Out of the following, copper vessels are the most suitable for the storage of (A) Bromine (B) Dry chlorine & dry fluorine (C) Nitric acid (95% and fuming) (D) Phosphoric acid (95%) & sulphuric acid (95% and fuming)

Last Answer : (B) Dry chlorine & dry fluorine

Mild steel storage vessels are suitable for the storage of (A) Anhydrous ammonia (B) Fatty acids (C) Hydrochloric acid (95%) (D) Sulphuric acid (25%)

Description : Mild steel storage vessels are suitable for the storage of (A) Anhydrous ammonia (B) Fatty acids (C) Hydrochloric acid (95%) (D) Sulphuric acid (25%)

Last Answer : (A) Anhydrous ammonia

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

Sulphuric acid pickling tanks are lined with (A) Nickel (B) Rubber (C) Aluminium (D) Glass

Description : Sulphuric acid pickling tanks are lined with (A) Nickel (B) Rubber (C) Aluminium (D) Glass

Last Answer : (B) Rubber

In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of (A) Stainless steel (B) Cast iron (C) Lead lined steel (D) Rubber lined steel

Description : In the Contact process of sulphuric acid manufacture, 98% acid cooler is made of (A) Stainless steel (B) Cast iron (C) Lead lined steel (D) Rubber lined steel

Last Answer : (B) Cast iron

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

Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with(A) Acidic refractory(B) Rubber(C) Karbate(D) Lead or acid proof bricks

Description : Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with (A) Acidic refractory (B) Rubber (C) Karbate (D) Lead or acid proof bricks

Last Answer : (A) Acidic refractory

Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with (A) Acidic refractory (B) Rubber (C) Karbate (D) Lead or acid-proof bricks

Description : Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with (A) Acidic refractory (B) Rubber (C) Karbate (D) Lead or acid-proof bricks

Last Answer : (D) Lead or acid-proof bricks

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

. 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.

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

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

Ammonium chloride solution is stored/ treated in __________ vessels/pipes. (A) Plain carbon steel (B) Stainless steel (C) Rubber or durmet-20 lined (D) Lead

Description : Ammonium chloride solution is stored/ treated in __________ vessels/pipes. (A) Plain carbon steel (B) Stainless steel (C) Rubber or durmet-20 lined (D) Lead

Last Answer : (C) Rubber or durmet-20 lined

Brine solution is stored/treated in __________ lined vessels/pipes. (A) Rubber (B) Lead (C) Glass (D) Nickel

Description : Brine solution is stored/treated in __________ lined vessels/pipes. (A) Rubber (B) Lead (C) Glass (D) Nickel

Last Answer : (D) Nickel

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%)

Platinum and silver are corroded by (A) Caustic soda solution (B) Phosphoric acid (C) Sulphuric acid (10%) (D) None of these

Description : Platinum and silver are corroded by (A) Caustic soda solution (B) Phosphoric acid (C) Sulphuric acid (10%) (D) None of these

Last Answer : (D) None of these

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

Glass is corroded by (A) Fluorine (dry or wet) (B) Sulphuric acid (C) Phosphoric acid (D) None of these

Description : Glass is corroded by (A) Fluorine (dry or wet) (B) Sulphuric acid (C) Phosphoric acid (D) None of these

Last Answer : (A) Fluorine (dry or wet)

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)

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

For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is (A) Stainless steel (B) Cast iron (C) Aluminium (D) Nickel

Description : For handling sulphuric acid of 95% strength, the suitable material of construction for pipes is (A) Stainless steel (B) Cast iron (C) Aluminium (D) Nickel

Last Answer : (B) Cast iron

Containers made of high silicon cast iron (14% Si) are not suitable for the storage of (A) Acetic acid (B) Benzoic & boric acids (C) Phosphoric acid (95%) & sulphuric acid (95%) (D) Hydrochloric acid (concentrated)

Description : Containers made of high silicon cast iron (14% Si) are not suitable for the storage of (A) Acetic acid (B) Benzoic & boric acids (C) Phosphoric acid (95%) & sulphuric acid (95%) (D) Hydrochloric acid (concentrated)

Last Answer : (D) Hydrochloric acid (concentrated)

Tin vessels are corroded by(A) Anhydrous ammonia(B) Aromatic solvents(C) Synthetic detergent solution(D) None of these

Description : Tin vessels are corroded by (A) Anhydrous ammonia (B) Aromatic solvents (C) Synthetic detergent solution (D) None of these

Last Answer : (D) None of these

Sulphur melting pit in the sulphuric acid plant is made of (A) Lead lined stainless steel (B) Cast iron (C) Steel or cement-brick lined (D) Hard wood

Description : Sulphur melting pit in the sulphuric acid plant is made of (A) Lead lined stainless steel (B) Cast iron (C) Steel or cement-brick lined (D) Hard wood

Last Answer : (C) Steel or cement-brick lined

Glass lined vessels are not used for handling (A) Dilute H2SO4 (B) Dilute HNO3 (C) Dilute HCI (D) Hydrofluoric acid

Description : Glass lined vessels are not used for handling (A) Dilute H2SO4 (B) Dilute HNO3 (C) Dilute HCI (D) Hydrofluoric acid

Last Answer : (D) Hydrofluoric acid

Glass lined vessels are not used for handling/storing (A) Dilute H2SO4 (B) Dilute HNO3 (C) Dilute HCl (D) Hydrofluoric acid

Description : Glass lined vessels are not used for handling/storing (A) Dilute H2SO4 (B) Dilute HNO3 (C) Dilute HCl (D) Hydrofluoric acid

Last Answer : (D) Hydrofluoric acid

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

Rubber lined pumps can be used to pump (A) Caustic soda (B) Chlorinated brine (C) Hypochlorous acid (D) All (A), (B) and (C)

Description : Rubber lined pumps can be used to pump (A) Caustic soda (B) Chlorinated brine (C) Hypochlorous acid (D) All (A), (B) and (C)

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

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

Hydrochloric acid is stored in a __________vessel. (A) Lead lined steel (B) Rubber lined steel (C) Stainless steel (D) Cast iron

Description : Hydrochloric acid is stored in a __________vessel. (A) Lead lined steel (B) Rubber lined steel (C) Stainless steel (D) Cast iron

Last Answer : (B) Rubber lined steel