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The action of hard soap

What makes soap foam? | HowStuffWorks- The action of hard soap ,There are many different kinds of soap in the world and most of them have one major thing in common: They can make bubbles. When you amass a bunch of tiny bubbles together, we call it foam or lather.It doesn't matter if you're talking about bar soap, shampoo, dish soap or laundry detergent -- the same thing happens when you mix any of them with air and water.Soaps and Saponification Chemistry TutorialAs a cleaning agent, soap suffers from two main drawbacks: it does not function well in acidic solutions because of the formation of insoluble fatty acid eg, CH 3 (CH 2) 16 COO-Na + (aq) + HCl (aq) → CH 3 (CH 2) 16 COOH (s) + Na + (aq) + Cl-(aq) it forms insoluble precipitates with Ca 2+ and Mg 2+ ions present in hard water, forming a scum



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Saponification-The process of Making Soap (Theory) : Class ...

The sodium salt of long chain fatty acid is known as hard soap. It is difficult to dissolve in water. It is used as laundry soap. The potassium salt of long chain fatty acid is known as soft soap, as it produces more lather. It is used as toilet soap and shaving soap. Hard soap ; Soft soap; In aqueous solution, soap ionises to form alkali ions.

Soap and Detergent Manufacture

Soap is integral to our society today, and we find it hard to imagine a time when people were kept sweet-smelling by the action of perfume rather than soap. However, the current widespread use of soap is only a very recent occurrence, despite the fact that it has been made for more than 2500 years.

Insecticidal Soaps

Insecticidal soap mixed in hard water with a high mineral content may be less effective and more toxic to the treated plants. A precipitate (soup scum) may be formed when the metal ions (e.g., calcium, iron or magnesium) found in hard water bind to the fatty acids in the soap.

What makes soap foam? | HowStuffWorks

There are many different kinds of soap in the world and most of them have one major thing in common: They can make bubbles. When you amass a bunch of tiny bubbles together, we call it foam or lather.It doesn't matter if you're talking about bar soap, shampoo, dish soap or laundry detergent -- the same thing happens when you mix any of them with air and water.

Insecticidal Soaps

Insecticidal soap mixed in hard water with a high mineral content may be less effective and more toxic to the treated plants. A precipitate (soup scum) may be formed when the metal ions (e.g., calcium, iron or magnesium) found in hard water bind to the fatty acids in the soap.

What is the effect of soap and detergent in the hard water ...

One effect of soap and detergent in hard water is it will not lather as well as it does in soft water. This can affect the way the soap or detergent cleans in hard water making them less effective.

Why hard water react with soap? - Quora

Although soap is a good cleaning agent, its cleaning capacity is reduced when used in hard water. Hardness of water is due to the presence of sulphates, chlorides or bicarbonate salts of Ca2+ or Mg2+ ions. Soaps are sodium or potassium salts of lo...

Explain the Cleansing Action Of Soaps and Detergents - A ...

Feb 19, 2019·Compare and contrast the effectiveness of the cleansing action of soap and detergent. Although soap is a good cleaning agent, its effectiveness is reduced when used in hard water. Hard water contains a great amount of calcium and magnesium ions. These ions react with the soap to form an insoluble precipitate known as soap scum.

Hard Soap | Definition of Hard Soap by Merriam-Webster

hard soap: [noun] soap made by using sodium hydroxide or sodium carbonate — compare castile soap.

Soaps - Soaps, detergents and emulsions - Higher Chemistry ...

Revise the action of soaps and detergents for Higher Chemistry, and learn about the important role of emulsifiers in our food.

Why Detergent is better than Soap? - QS Study

Detergent is better than soap for the following reasons: Soaps are not appropriate for use with hard water. Soap does not work well in hard water since the Ca 2+, Mg 2+ ions of hard water react with soap forming insoluble substance. So, it creates unnecessary wastages of soap and also does harm to the fiber of the clothes.

Give the reaction for formation of scum with hard water ...

When soap is used for washing the clothes with hard water,very large amount of soap molecules is wasted in reacting with calcium and magnesium ions of hard water to form scum . Hope this would help you.. You have shcool during afternoon, Why Kk this year right Then kk bye The Brain;

the effectiveness of the cleansing action of soap and ...

Jan 25, 2012·biodegradable, that is they can be composed by the action of bacteria. Disadvantages of soaps 1. Soaps are ineffective in hard water, that is, water that contains magnesium and calcium salts. 2. In hard water, soaps will react with Mg2+ and thus, soaps do not lather in hard water. 3. Scum is grey solid that is insoluble in water.

the effectiveness of the cleansing action of soap and ...

Jan 25, 2012·biodegradable, that is they can be composed by the action of bacteria. Disadvantages of soaps 1. Soaps are ineffective in hard water, that is, water that contains magnesium and calcium salts. 2. In hard water, soaps will react with Mg2+ and thus, soaps do not lather in hard water. 3. Scum is grey solid that is insoluble in water.

what is the effect of hard water on soap? | Yahoo Answers

Jan 22, 2012·"With hard water, soap solutions form a white precipitate (soap scum) instead of producing lather. This effect arises because the 2+ ions destroy the surfactant properties of the soap by forming a solid precipitate (the soap scum). A major component of such scum is calcium stearate, which arises from sodium stearate, the main component of soap:"

what is the effect of hard water on soap? | Yahoo Answers

Jan 22, 2012·"With hard water, soap solutions form a white precipitate (soap scum) instead of producing lather. This effect arises because the 2+ ions destroy the surfactant properties of the soap by forming a solid precipitate (the soap scum). A major component of such scum is calcium stearate, which arises from sodium stearate, the main component of soap:"

Study 15 Terms | Soap Lab Flashcards | Quizlet

A synthetic detergent is superior to normal soap because it will not form soap scum when used with hard water and when synthetic detergent is used in an acidic solution it does not convert to free fatty acids like normal soap does. What is the purpose of "salting out" in the procedure.

The science of soap – here’s how it kills the coronavirus ...

Mar 12, 2020·So, soap is the best, but do please use alcohol-based sanitiser when soap is not handy or practical. • Pall Thordarson is a professor of chemistry at the University of …

What makes soap foam? | HowStuffWorks

There are many different kinds of soap in the world and most of them have one major thing in common: They can make bubbles. When you amass a bunch of tiny bubbles together, we call it foam or lather.It doesn't matter if you're talking about bar soap, shampoo, dish soap or laundry detergent -- the same thing happens when you mix any of them with air and water.

When and How to Wash Your Hands | Handwashing | CDC

Washing hands with soap and water is the best way to get rid of germs in most situations. If soap and water are not readily available, you can use an alcohol-based hand sanitizer that contains at least 60% alcohol. You can tell if the sanitizer contains at least 60% alcohol by looking at the product label.

How Soap Works - ThoughtCo

Jul 19, 2019·How Soap Cleans . Soap is an excellent cleanser because of its ability to act as an emulsifying agent. An emulsifier is capable of dispersing one liquid into another immiscible liquid. This means that while oil (which attracts dirt) doesn't naturally mix with water, soap can suspend oil/dirt in such a way that it can be removed.

Explain the cleansing action of soap - Chemistry ...

Explain the cleansing action of soap. Asked by abhisar | 17th Feb, 2018, 06:04: PM. Expert Answer: When soap is dissolved in water, its hydrophobic ends attach themselves to dirt and remove it from the cloth. First, the molecules of soap arrange themselves in …

Soaps and Saponification Chemistry Tutorial

As a cleaning agent, soap suffers from two main drawbacks: it does not function well in acidic solutions because of the formation of insoluble fatty acid eg, CH 3 (CH 2) 16 COO-Na + (aq) + HCl (aq) → CH 3 (CH 2) 16 COOH (s) + Na + (aq) + Cl-(aq) it forms insoluble precipitates with Ca 2+ and Mg 2+ ions present in hard water, forming a scum