The rusting of iron

1 Answer

Answer :

Increases its weight

Related questions

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.

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.

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.

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

Last Answer : painting or greasing, galvanisation

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

Last Answer : answer:

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

Description : How rusting of iron is quicker in saline water?

Last Answer : Need answer

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)

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)

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)

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.

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.

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.

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.

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.

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.

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

Last Answer : Annealing

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

Last Answer : oxygen and water

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

Last Answer : Oxygen and Moisture

Description : Rusting of Iron is –

Last Answer : Due to oxidation

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

Last Answer : Slow oxidation

Description : What does the rusting of iron nail?

Last Answer : Increases its weight

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

Last Answer : (B) Protected from rusting

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

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.

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.

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

Last Answer : B. Oxidation (Answer)

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

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

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

Last Answer : Annealing

Description : The rusting of iron metal in air needs both

Last Answer : Oxygen and Moisture

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

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

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

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

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Last Answer : Zinc

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

Last Answer : oxidation

Description : Is A car fender rusting a physical or chemical change?

Last Answer : Uhh definitely a chemical

Description : How can you prevent railings from rusting?

Last Answer : Need answer

Description : Is a rusting paper clip a physical or chemical change?

Last Answer : yes

Description : Is a rusting bicycle a chemical or physical?

Last Answer : Rust (oxidation of metal) is a chemical change but it is also aphysical change in the strength of the material.

Description : What are the advantages of rusting?

Last Answer : it decomposes unwanted materials

Description : Why are zinc bars attached to the hulls of ship to prevent hull from rusting?

Last Answer : Need answer

Description : What type of change rusting of nail?

Last Answer : Rusting, which is oxidation, is a chemical change, The iron ofthe nail has combined with oxygen.

Description : Is there a way to keep a metal patio table from rusting?

Last Answer : Over time all metal will rust, but as long as you keep patio furniture wet and treated it will be able to last for many years. The best way to do this is to ensure that it stays dry after every large storm.

Description : I have a few old flour sifters. What is the best way to clean them to avoid rusting them?

Last Answer : Do not wash a flour sifter as that increases the chance of rust dramaticaly, The best way to clean the sifter is to brush the flower off or just lightly tap it.

Description : Is there any type of fluid I should spray on my engine to keep it from rusting?

Last Answer : No. generally speaking your engine block, heads and intake will be a coated cast iron or cast aluminum. Neither will rust. Also keep in mind that oil from both your vehicle and the road ... worried about your exhaust manifold rusting you can purchase header wrap or paint them with high temp paint.

Description : The best way to prevent a car from rusting?

Last Answer : Wikihow has a section on "What's the best way to prevent rust from forming. After reading the article I hope you will have gained some knowledge from the answers.

Description : Keep aluminum from rusting.?

Last Answer : Cast aluminum outdoor furniture is one of today's best options to furnish your outdoor living spaces. It is traditional and classic, with the look and feel of wrought iron, but at the same doesn't rust.

Description : Rusting is an example of?

Last Answer : Rusting is the corrosion of iron. A redox reaction will occur and the iron will be oxidised by the oxygen and water surrounding it or any other strong oxidants.