How can we remove hardness from water? write any one method

Q: Explain different ways to induce recrystallization.

A: Recrystallization is a process in which the previously formed crystal were dissolved in a suitable…

Q: 85.A solution of known concentration used to standardize another solution is: 1. Primary standard…

A: A standard solution is a a solution of accurately known concentration prepared from a primary…

Q: 16-At any stage of hydration, the hardened paste consists of. a- crystals of Ca(OH)2 17- . .is a…

A: 16 )Answer  d) all of them Because all options are factors of hydration the hardened past .

Q: What are preservatives?

A:

Q: why is it necessary to use decarbonated cola?

A: To do titration of cola we need decarbonated cola.

Q: 3. Place 0.5 mL of 0.5 M HNO, into each of the five test tubes. 4. Add: Test tube A: 1 drop…

A: A question based on equilibrium concept and quantitative analysis, which is to be accomplished.

Q: sodium phosphate solution is commonly used as cleaning solution . The recommended concentration is…

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Q: Write short note on -hardness of water

A: Hard H2O contains an appreciable quantity of dissolved minerals (like Ca and Mg). Soft H2O is…

Q: Data Table 1 Enter the calculated molarity and measured conductivity values in the table. Data Table…

A: Note: Conductivity values comes from the readings of Conductometer. Molarity can be calculated as:…

Q: How could you discover if there is salt dissolved in the water?   A. dissolve an additional portion…

A: Salt dissolved in the water can be discovered as follows:

Q: 1. If you put some water in your cup then, sprinkle black pepper all over the surface. What does the…

A: When some substance is added into water, then if its density is less then it will float over the…

Q: If you have an empty burette in a burette clamp, in what order do you do these steps to fill the…

A: To fill an empty burette,we have to close the stopcock of burette. Then we should remove the burette…

Q: What is a thin film?

A:

Q: GIVE THREE REASONS THAT AIR IS DETRIMENTAL TO A HYDRONUC SYSTEM

A: The following are the reasons that air is detrimental to a Hydronic system: Dissolved air present…

Q: A sample of water contains a level of NH4+, Ca2+, dissolved chloroform and bacteria. Design a method…

A: A sample of water can contain many ions and wastes that have to be removed before consumption.…

Q: 0.54 g phthalic acid fully dissolve in 100 ml water at room temperature. How much is phthalic acid…

A: Amount of phthalic acid dissolves in the amount of water is simply corresponding to the density of…

Q: A solution of NaCl that contains a relatively large amount of NaCl per given amount of water is said…

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Q: Methanol can be used to decrease the solubility of the non-polar component in a given sample.…

A: Yes you are correct The apparatus used in extraction of liquids is separating funnel

Q: What is the importance of hydration to wound dressing hydrogel?

A: Introduction :  Hydrogel is a network of polymer chains that are hydrophillic , they are highly…

Q: What will happen if we put a small pinch of salt into jar containing potato strips

A: We put a small pinch of salt into a jar containing potato strips has to be explained below,

Q: calculate the required amount (in g) of ammonium sulfate to bring the solution from 40% to 60%…

A: Initial concentration = 40%

Q: Sodium Methylsulfonate is an inefficient detergent. Explain why

A: Dear Subscriber! You have posted multiple questions. As per our guideline, we have answered only…

Q: You need to make a 1:5 dilution of a solution. You need 25 ml of the diluted solution. How much…

A: Given:dilution ratio= 1:5volume of diluted  solution = 25ml

Q: Crystallization is a type of purification method.

A: First we have to know about crystallisation. Crystallisation : A process in  which a chemical is…

Q: Compare the three main purification methods (recrystallization, distillation, and extraction) by…

A: The three main purification methods are recrystallization, distillation, and extraction.. With the…

Q: What will happen if the recrystallization mixture is cooled very quickly so that crystals form very…

A: What will happen if the recrystallization mixture is cooled very quickly so that crystals form very…

Q: Preparing solution. Weigh out Sg of table salt. Dissolve it in 50mL of distilled water in a…

A: The concentration of a compound can be expressed in terms of percent mass per volume.  Write the…

Q: Please provide fast solution....

A: We have to determine which amino acid would have the most similar curve to amino acid Q

Q: If any chemical gets into the eyes or mouth, go to the nearest sink and wash off with much water as…

A: The statement given is,

Q: Describe the steps involved in recrystallization.

A: The process which is used to purify the impure compound from a solvent is known as recrystallisation…

Q: Explain the cleansing action of soap.

A: Soaps are defined as the salts of the fatty acid which are generally used as the cleanser and…

Q: The dissolved coffee in hot water can be separated by which technique? a. using a magnet b.…

A: There are methods used to seperate two mixtures based on their properties. These methods depends on…

Q: What lab equipment is used to manually stir solutions? thermomoter

A: In chemical laboratory various equipments are used these equipments are called apparatus  In any…

Q: What are the basic components of a cleansing system (surfactant-based as a shampoo or foaming…

A: The effective foaming ability of these surfactants makes the better foam. These foams can change the…

Q: compare between detergents and soaps from: structures 300 -the action when the water is soft…

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Q: What is the function of Brine in soap making?

A: Brine is a concentrated solution of salt in water.itvis added to lye solution to provides extra…

Q: How does sugar preserve food materials? Is it a better preservative than salt? Why or why not?

A: Please find your solution below : In food materials, sugar helps to preserve the colour, texture and…

Q: In a test tube, dissolve 10 drops of methanol in 3 ml. of water. Oxidize a copper wire spiral by…

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Q: Shake the salt shaker several times to add salt into the water (the more you shake, the more salt is…

A: Dear student since it is a multiple subparts questions, according to guidelines here I am solving…

Q: 4. What is the significance of the emulsification? 5. What is the difference between detergent and…

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Q: What are the basic components of a cleansing system (surfactant based as a shampoo or foaming…

A: Detergent means 'Cleansing agent' and so we can say that the detergents are the substances which…

Q: Differentiate the following: 1. Absorbed water from occluded water in the sample. 2. Adsorbed…

A: In the given question we have adsorbed water, occluded water, absorbed water, Interstitial water,…

Q: 5. The mineral analysis below was reported for a water sample. Calcium 90 Chloride 120 Magnesium 30…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Questionn attached

A: Given: A sample of water contains a level of NH4+, Ca2+ dissolved in chloroform and bacteria. To…

Q: Aromatic Water Poppermint water (Simple solution method) Formula Poppermint ol, Purifled water, To…

A: Answer - peppermint water - Procedure - (1) forming a carrier solution after mixing proper amount of…

Q: A pond water sample was found to have 16 mg CaCO, in a 100.0 mL sample. Calculate the concentration…

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Q: Why are basic substances used for cleaning agents?

A: Substances used to eliminate dirt such as stain, mud, unpleasant smells and clutter on surfaces are…