How rusting of iron is quicker in saline water?

How rusting of iron is quicker in saline water?
by

1 Answer

Answer :

Need answer
by
selected by

Related questions

Rusting of iron is quicker in saline water than in ordinary water. Why is it so ?

Description : Rusting of iron is quicker in saline water than in ordinary water. Why is it so ?

Last Answer : Ans. In saline water, NaCl helps water to dissociate into H+ and OH– . Greater the number of H+ , quicker will be rusting of Iron.

What is meant by ‘rusting’? With labelled diagrams, describe an activity to find out the conditions under which iron rusts. -Chemistry

Description : What is meant by ‘rusting’? With labelled diagrams, describe an activity to find out the conditions under which iron rusts. -Chemistry

Last Answer : When iron is exposed to air and moisture for a very long time, it gets covered with a brown flaky substance. This brown flaky substance is called rust and the process is called rusting. The ... when only oxygen was available, it shows that rusting cannot take place if only oxygen is available.

Explain why rusting of iron objects is faster in coastal areas than in deserts. -Science-7

Description : Explain why rusting of iron objects is faster in coastal areas than in deserts. -Science-7

Last Answer : As content of moisture in the air in coastal areas is higher than in the air in deserts. So, the process of rusting is faster in coastal areas.

Explain how painting of an iron gate prevents it from rusting? -Science-7

Description : Explain how painting of an iron gate prevents it from rusting? -Science-7

Last Answer : The presence of oxygen and moisture is essential for rusting to occur. Painting prevents the iron gate from coming in contact with oxygen and moisture, hence prevents rusting.

Two methods by which rusting of iron can be prevented are __________ and __________ -Science-7

Description : Two methods by which rusting of iron can be prevented are __________ and __________ -Science-7

Last Answer : painting or greasing, galvanisation

What does the rusting of iron nail? -Do You Know?

Description : What does the rusting of iron nail? -Do You Know?

Last Answer : answer:

Wrought iron is resistant to rusting and corrosion due to the presence of

Description : Wrought iron is resistant to rusting and corrosion due to the presence of

Last Answer : Wrought iron is resistant to rusting and corrosion due to the presence of A. Cementite `(Fe_(3)C)` B. ... 4)` Slages D. `MnSiO_(3)& FePO_(4)`slages

Alloy steel containing chromium to resist rusting is known as (a) wrought iron (b) cast iron (c) hard steel (d) stainless steel

Description : Alloy steel containing chromium to resist rusting is known as (a) wrought iron (b) cast iron (c) hard steel (d) stainless steel

Last Answer : Ans:(d)

All the following are examples of chemical change, except (a) Magnetising of iron nails (b) Rusting of iron rods (c) Digestion of food (d) Souring of milk

Description : All the following are examples of chemical change, except (a) Magnetising of iron nails (b) Rusting of iron rods (c) Digestion of food (d) Souring of milk

Last Answer : Ans:(a)

Alloy steel containing chromium, to resist rusting, is known as (a) Wrought iron (b) Cast iron (c) Hard steel (d) Stainless steel

Description : Alloy steel containing chromium, to resist rusting, is known as (a) Wrought iron (b) Cast iron (c) Hard steel (d) Stainless steel

Last Answer : Ans:(d)

Iron is prevented from rusting by coating with zinc. This process is called as – (1) Galvanisation (2) Corrosion (3) Sublimation (4) Reduction

Description : Iron is prevented from rusting by coating with zinc. This process is called as – (1) Galvanisation (2) Corrosion (3) Sublimation (4) Reduction

Last Answer : (1) Galvanisation Explanation: Galvanization is the process of applying a protective zinc coating to steel or iron, in order to prevent rusting. The term is derived from the name of Italian scientist Luigi ... is hot-dip galvanization, in which steel parts are sub-merged in a bath of molten zinc.

The rusting of iron is a/an - (1) physical change (2) electrochemical change (3) electrical change (4) None of the above

Description : The rusting of iron is a/an - (1) physical change (2) electrochemical change (3) electrical change (4) None of the above

Last Answer : (2) electrochemical change Explanation: When iron is exposed to air and moisture, its surface gradually corroded and converted into a brown mass. The rusting of iron is due to the formation of hydrated ion. Rusting is an electro-chemical process.

Rusting of iron takes place due to – (1) oxidation (2) carbonation (3) exfoliation (4) corrosion

Description : Rusting of iron takes place due to – (1) oxidation (2) carbonation (3) exfoliation (4) corrosion

Last Answer : (1) oxidation Explanation: The rusting of iron is an electrochemical process that begins with the transfer of electrons from iron to oxygen. The rate of corrosion is affected by water and accelerated by ... iron is in contact with water, oxygen, or other strong oxidants, or acids, it rusts.

The metal, used to galvanise iron to protect it from rusting is - (1) Zine (2) Chromium (3) Lead (4) Antimony

Description : The metal, used to galvanise iron to protect it from rusting is - (1) Zine (2) Chromium (3) Lead (4) Antimony

Last Answer : (1) Zine Explanation: Galvanization is the process of applying a protective zinc coating to steel or iron, in order to prevent rusting. Although galvanization can be done with electrochemical and electro- ... is hot-dip galvanization, in which steel parts are submerged in a bath of molten zinc.

Due to rusting the weight of iron - (1) Decreases (2) Increases (3) Remains the same (4) Uncertain

Description : Due to rusting the weight of iron - (1) Decreases (2) Increases (3) Remains the same (4) Uncertain

Last Answer : (2) Increases Explanation: Corrosion of a block of metal - Iron to Iron Oxide (rust), Aluminum to Bauxite, Cooper to Cupric-oxide, or otherwise - does not change the weight of the metal in the system.

The method of protecting iron from rusting, by coating a thin layer of Zinc is called - (1) Galvanizing (2) rancidity (3) Alloy (4) Pulverizing

Description : The method of protecting iron from rusting, by coating a thin layer of Zinc is called - (1) Galvanizing (2) rancidity (3) Alloy (4) Pulverizing

Last Answer : (1) Galvanizing Explanation: Galvanisation or galvanization (or galvanizing as it is most commonly called) is the process of applying a protective zinc coating to iron or steel, to prevent rusting.

Which of the following is not favourable to prevent iron from rusting?

Description : Which of the following is not favourable to prevent iron from rusting?

Last Answer : Annealing

The rusting of iron

Description : The rusting of iron

Last Answer : Increases its weight

Which of the following is required for the rusting of iron?

Description : Which of the following is required for the rusting of iron?

Last Answer : oxygen and water

The rusting of iron metal in air needs both–

Description : The rusting of iron metal in air needs both–

Last Answer : Oxygen and Moisture

Rusting of Iron is –

Description : Rusting of Iron is –

Last Answer : Due to oxidation

Rusting of iron is an example of which thing?

Description : Rusting of iron is an example of which thing?

Last Answer : Slow oxidation

What does the rusting of iron nail?

Description : What does the rusting of iron nail?

Last Answer : Increases its weight

Galvanised iron is (A) Harder (B) Protected from rusting (C) Alumina coated iron (D) None of these

Description : Galvanised iron is (A) Harder (B) Protected from rusting (C) Alumina coated iron (D) None of these

Last Answer : (B) Protected from rusting

Pick out the correct statement. (A) Stainless steel is nothing but chromium coated steel (B) Hardening of a soft metal can be done by alloying it with another metal or non-metal (C) Plastic deformation of a material is its temporary distortion under the action of applied stress (D) Rusting of iron is not electrochemical in nature

Description : Pick out the correct statement. (A) Stainless steel is nothing but chromium coated steel (B) Hardening of a soft metal can be done by alloying it with another metal or non-metal (C) ... its temporary distortion under the action of applied stress (D) Rusting of iron is not electrochemical in nature

Last Answer : (B) Hardening of a soft metal can be done by alloying it with another metal or non-metal

What are the methods of preventing rusting of iron?

Description : What are the methods of preventing rusting of iron?

Last Answer : Iron articles can be coated with zinc or chromium. By painting the iron articles. By heating and dipping in molten coal tar.

Rusting of Iron involves--------? A. Reduction B. Oxidation (Answer) C. Decomposition D. Displacement

Description : Rusting of Iron involves--------? A. Reduction B. Oxidation (Answer) C. Decomposition D. Displacement

Last Answer : B. Oxidation (Answer)

Rusting of iron and respiration: (a) both are exothermic processes (b) both are endothermic processed (c) rusting is exothermic, respiration is endothermic(d) rusting is endothermic, respiration is exothermic

Description : Rusting of iron and respiration: (a) both are exothermic processes (b) both are endothermic processed (c) rusting is exothermic, respiration is endothermic (d) rusting is endothermic, respiration is exothermic

Last Answer : (a) both are exothermic processes

Wrought iron is not (A) Ductile & resistant to corrosion/rusting (B) Weldable easily (C) Having uniform strength in all directions (D) Having maximum tensile strength along the lines of slag distribution

Description : Wrought iron is not (A) Ductile & resistant to corrosion/rusting (B) Weldable easily (C) Having uniform strength in all directions (D) Having maximum tensile strength along the lines of slag distribution

Last Answer : Option C

Which of the following is not favourable to prevent iron from rusting?

Description : Which of the following is not favourable to prevent iron from rusting?

Last Answer : Annealing

The rusting of iron metal in air needs both

Description : The rusting of iron metal in air needs both

Last Answer : Oxygen and Moisture

Assertion A : Paints with white lead base are not recommended for painting of iron works. Reason R : Paints with white lead base do not check rusting of iron. Select your answer according to the coding system given below: (A) Both A and R is true and, R is the correct explanation of A (B) Both A and R is true but R is not the correct explanation of A (C) A is true but R is false (D) A is false but R is true

Description : Assertion A : Paints with white lead base are not recommended for painting of iron works. Reason R : Paints with white lead base do not check rusting of iron. Select your answer according to the coding system given below: ... of A (C) A is true but R is false (D) A is false but R is true

Last Answer : Answer: Option A

Iron is prevented from rusting by coating with zinc. This process is called as (1) Galvanisation (2) Corrosion (3) Sublimation (4) Reduction

Description : Iron is prevented from rusting by coating with zinc. This process is called as (1) Galvanisation (2) Corrosion (3) Sublimation (4) Reduction

Last Answer : Galvanisation

The rusting of iron is a/an (1) physical change (2) electrochemical change (3) electrical change (4) None of the above

Description : The rusting of iron is a/an (1) physical change (2) electrochemical change (3) electrical change (4) None of the above

Last Answer : electrochemical change

Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygen d. Chemical reaction with CO2 (1) a and b (2) b and c (3) c and d (4) a and c

Description : Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygen d. Chemical reaction with CO2 (1) a and b (2) b and c (3) c and d (4) a and c

Last Answer : a and c

The metal, used to galvanise iron to protect it from rusting is (1) Zinc (2) Chromium (3) Lead (4) Antimony

Description : The metal, used to galvanise iron to protect it from rusting is (1) Zinc (2) Chromium (3) Lead (4) Antimony

Last Answer : Zinc

Rusting of iron takes place due to (1) oxidation (2) carbonation (3) exfoliation (4) corrosion

Description : Rusting of iron takes place due to (1) oxidation (2) carbonation (3) exfoliation (4) corrosion 

Last Answer : oxidation

The problem of iron toxicity generally exists in— (A) Acid soils (B) Alkali soils (C) Saline soils(D) Saline-Alkali soils

Description : The problem of iron toxicity generally exists in— (A) Acid soils (B) Alkali soils (C) Saline soils(D) Saline-Alkali soils

Last Answer : (A) Acid soils

Identify the type of soil on the basis of the given characteristics - 1. They are rich in lime, iron, magnesia and alumina. 2. They are generally clayey, deep and impermeable. 3. They are mainly found in Maharashtra, Madhya Pradesh and Gujarat. Select the correct answer from the given alternatives - a. Laterite soil b. Red and yellow soil c. Saline soil d. Black soil

Description : Identify the type of soil on the basis of the given characteristics - 1. They are rich in lime, iron, magnesia and alumina. 2. They are generally clayey, deep and impermeable. 3. They are mainly found ... the given alternatives - a. Laterite soil b. Red and yellow soil c. Saline soil d. Black soil

Last Answer : d. Black soil

Water boils quicker on mountains.

Description : Water boils quicker on mountains.

Last Answer : Ans: On Mountains the pressure of the air is low due to height, as the air pressure decreases with altitude. In this way, water boils quicker on mountains at temperature less than 100 degree centigrade, which is the boiling point of water at ground level.

In your opinion do you think people anger quicker today than say 20 years ago?

Description : In your opinion do you think people anger quicker today than say 20 years ago?

Last Answer : They sure seem more entitled and less cooperative than in the past.

Especially when driving, but in general do you think people today anger quicker then say 10 years ago?

Description : Especially when driving, but in general do you think people today anger quicker then say 10 years ago?

Last Answer : Yes. I think it’s something in the water.

Cooling off when hot, or warming up when cold, which is achievable quicker and more effectively accomplished?

Description : Cooling off when hot, or warming up when cold, which is achievable quicker and more effectively accomplished?

Last Answer : It’s much easier for me to cool down. When I’m cold, it can be hours before I get warm again unless I’m provided with a very warm environment to recover in.

Is there is quicker way to find the solutions to cos(x) = - cos(3x)?

Description : Is there is quicker way to find the solutions to cos(x) = - cos(3x)?

Last Answer : answer:3x = pi – x + 2npi or 3x = pi + x + 2npi x = (2n+1)pi/4 or x=(2n+1)pi/2

How do I make my day go quicker?

Description : How do I make my day go quicker?

Last Answer : Imagine everyone you saw today, or are about to see, was naked & figure out which would make you barf, which would make you laugh & which, just might turn you on…a little :)

Which option could cause a woman to lose weight quicker?

Description : Which option could cause a woman to lose weight quicker?

Last Answer : When you say quicker, I assume the woman is not really going to change her life, but merely engage in exercise for a while for a short term goal. In that case, method 2, ... routine, you would realize the benefit, assuming reasonable stress management, good diet quality and calorie control.

Do cuts and burns tend to heal quicker on certain parts of the body than elsewhere?

Description : Do cuts and burns tend to heal quicker on certain parts of the body than elsewhere?

Last Answer : Yes. The inside of your mouth is one of the fastest healing areas of your body. Not sure about shoulder vs. face.

Do you think a boycott of BP would be an effective way to get them to act quicker or more responsibly?

Description : Do you think a boycott of BP would be an effective way to get them to act quicker or more responsibly?

Last Answer : answer:Unlikely. It blows my mind that people even get gas from BP in the first place. Around me they are always at least 5–10 cents more

Do you think boys fall in love quicker than girls?

Description : Do you think boys fall in love quicker than girls?

Last Answer : I think that it depends on the person, not gender.

Are people who display physical resiliance still quicker than average to recover from injury when they are older?

Description : Are people who display physical resiliance still quicker than average to recover from injury when they are older?

Last Answer : He got lucky is all.