Which of the Following Statements About Hard Water Is True

By Ra_Shea784 12 May, 2022 Post a Comment

Which of the following statements regarding salt sources is not correct. Select all that apply.

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D it forms an insoluble scum with soap.

. Disadvantages of hard water expensive hard to clean baths as the compounds react with soap to form scum which floats in water and sticks to the bath lime scale in pipes immersion heaters etc making them less efficient hard water containing calcium and hydrogen carbonate evaporates or is heated and some Co2 is lost with the water and calcium carbonate reforms. Oxygen is more electronegative than hydrogen as a result the electron pair is pulled closer to O. Hard drinking water may have moderate health benefits but can pose serious problems in industrial settings where water hardness is monitored to avoid costly breakdowns in boilers cooling towers and other equipment that handles water.

Which of the following statement is true. B it contains iron salts. Math Chemistry Biology Programming Arts History BusinessLanguage Spanish EnglishTipsReviewBlog Home All the following statements are true hard water except August 23 2021 thanh only contains sodium and potassium ions.

It is termed a karst region a name derived from the Karst district of Yugoslavia where such topography is particularly well developed. The water is softened because it no longer contains dissolved calcium ions and magnesium ions. A region with a large stretch of limestone possesses a very distinct type of topography.

Temporary hardness of water can be removed by boiling. The softening of water refers to the removal of magnesium and calcium ions from solution B. Water is composed of 2 H atoms and 1 O atom.

Hard water prevents the formation of soap lather. C it contains only Na and K ions. A Water which does not form lather with soap and forms white scum is.

4th option is incorrect because the hard water can be changed into soft water. I produce a strong oily odor acockroaches brodents. Select the correct answer using the codes given below.

Water which is obtained from the rains is soft water. Which of the following statements concerning the water hardness experiment isare false. It has a lower specific heat than nearly all known metals.

Permanent hardness of water is removed by Clarks method. Its molecules are farther apart in the solid state than in the liquid state. C Water emerging from a hydrothermal vent is more saline than water entering the hydrothermal system.

This process is called _____. The capes used for shampooing wet hair sculpting designing and chemical. Its atoms share electrons equally.

Preformed after shampooing is complete. Temporary hardness of water can be removed by boiling3. I nest in scraps of.

Sodium carbonate is soluble but calcium carbonate and magnesium carbonate are insoluble. The following conditions alone favour the development of true karst topography. Which of the following statements is not true about draping.

Groundwater is the largest available source of freshwater. Calgons method is applied to remove temporary hardness of water. The molecular formula for water is H2O.

B The chemical composition of most rivers mirrors that of the oceans. Which type of water is generally preferred for shampooing. It is known as hard water because of the presence of salts of calcium and magnesium.

The limestones must be massive thickly bedded hard and. 19 All of the following statements are true of hard water EXCEPT A it contains calcium salts. Never use firm scalp manipulations when shampoo is to be followed by.

A Soaps and detergents both are used only in soft water b Soaps and detergents both are used in soft as well as hard water c Soap is used only in soft water while detergent can be used in soft as well as hard water d Detergent is used only in soft water while soap is used in soft and. Which of these statements about water is true. It can dissolve all known substances.

Flashing is a curved sealed edge placed between the floor and the wall to eliminate sharp corners or gaps that would be hard to clean atrue bfalse. Any kind of chemical service. Permanent hardness of water is removed by darks methodSelect the correct answer using the codes given below.

Which of these statements about water is true. A Water carrying sulfate ions is acidic and helps liberate cations in bedrock. Select the incorrect statement from the following option.

It lathers with soap. Objective Questions on Soaps and Detergents. Calgons method is applied to remove temporary hardness of water4.

Hard water does not lather with soap but instead forms a precipitate. Water is a polar solvent and. CEDTA is a chelating agent that can lose 4 protons.

This water is suitable for household purposes for example laundry and cleaning. Temporary hardness of water is due to the presence of soluble magnesium and calcium hydrogen carbonate2. During a rainstorm water seeps into the ground.

Temporary hardness of water is due to the presence of soluble magnesium and calcium hydrogen carbonate. Earths water is _____. It can remove temporary and permanent hardness from water.

Which of the following statements is true.

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