What are the chemical signals of alum ?

What are the chemical signals of alum ?
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1 Answer

Answer :

The chemical name of alum is potash. The chemical signal of K2SO4.Al2 (SO4) 3 .24H2O.
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The most commonly used chemical coagulant in water treatment is (A) Ferrous sulphate (B) Alum (C) Lime (D) Hydrazine

Description : The most commonly used chemical coagulant in water treatment is (A) Ferrous sulphate (B) Alum (C) Lime (D) Hydrazine

Last Answer : (B) Alum

Chemical name of 'alum' is (A) Barium sulphate (B) Aluminium sulphate (C) Aluminium chloride (D) Calcium sulphate

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Description : What is the sign of alum ?

Last Answer : K2SO4.Al2 (SO4) 3.24H2O

Muddy water is treated with alum in purification process, it is termed as : (1) emulsification (2) absorption (3) adsorption (4) coagulation

Description : Muddy water is treated with alum in purification process, it is termed as : (1) emulsification (2) absorption (3) adsorption (4) coagulation

Last Answer : (4) coagulation Explanation: Natural and wastewater contain small particulates that are suspended in water forming a colloid. These particles carry the same charges, and repulsion prevents them from combining into larger particulates to settle.

Permanent - hardness of water may be removed by addition of – (1) Alum (2) Sodium carbonate (3) Lime (4) Potassium Permangante

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Aluminium salt commonly used to stop bleeding is - (1) Aluminium nitrate (2) Aluminium sulphate (3) Aluminium Chloride (4) Potash alum

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If water smells bad, then that odour can be removed by adding – (1) alum (2) bleach (3) activated carbon (4) deactivated nitrogen

Description : If water smells bad, then that odour can be removed by adding – (1) alum (2) bleach (3) activated carbon (4) deactivated nitrogen

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If water smells bad, then that odour can be removed by adding - (1) alum (2) bleach (3) activated carbon (4) deactivated nitrogen

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Alum stops bleeding in minor cuts because of – (1) solvation (2) emulsion (3) dialysis (4) coagulation

Description : Alum stops bleeding in minor cuts because of – (1) solvation (2) emulsion (3) dialysis (4) coagulation

Last Answer : (4) coagulation Explanation: Coagulation is the process by which blood forms clots. It is an important part of homeostasis, the cessation of blood loss from a damaged vessel, wherein a ... coagulation can lead to an increased risk of bleeding (hemorrhage) or obstructive clotting (thrombosis).

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Description : Bleeding is stopped by the application of alum to a wound. Why ?

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Description : What is potash alum?

Last Answer : Ans:It is double salt obtained by dissolved equimolar quantities of potassium sulphate and aluminum sulphate in water .This is very useful salt and used for dying and other process.

If water smells bad, then that odour can be removed by adding (1) alum (2) bleach (3) activated carbon (4) deactivated nitrogen

Description : If water smells bad, then that odour can be removed by adding (1) alum (2) bleach (3) activated carbon (4) deactivated nitrogen

Last Answer : activated carbon

Aluminium salt commonly used to stop bleeding is (1) Aluminium nitrate (2) Aluminium sulphate (3) Aluminium Chloride (4) Potash alum

Description : Aluminium salt commonly used to stop bleeding is (1) Aluminium nitrate (2) Aluminium sulphate (3) Aluminium Chloride (4) Potash alum

Last Answer : Aluminium sulphate

Muddy water is treated with alum in purification process, itis termed as : (1) emulsification (2)absorption (3) adsorption (4) coagulation

Description : Muddy water is treated with alum in purification process, itis termed as : (1) emulsification (2)absorption (3) adsorption (4) coagulation

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Most widely and commonly used coagulant for the removal of suspended impurities in water is (A) Bleaching powder (B) Slaked lime (C) Alum (D) Copper sulphate

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The purpose of adding Na2CO3 to water of low alkalinity is to (A) Permit the use of alum as a coagulant (B) Increase the softening capacity of zeolite (C) Facilitate easy regeneration of zeolite (D) All (A), (B) and (C)

Description : The purpose of adding Na2CO3 to water of low alkalinity is to (A) Permit the use of alum as a coagulant (B) Increase the softening capacity of zeolite (C) Facilitate easy regeneration of zeolite (D) All (A), (B) and (C)

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Last Answer : (C) Soda ash