Engineering Chemistry_Sem-II

Cation Exchange resins are generated by___

• Hot Solution

• Cold Solution

• Acidic Solution

• Alkaline Solution

Determination of alkalinity is a type of titration known as____

• Precipitation

• Redox

• Complexometric

• Acid-Base

EDTA method used to determine hardness of water is a ___

• Precipitation Titration

• Redox Titration

• Complexometric Titration

• Acid-Base Titration

Hydroxide alkalinity of water is determined by using indicator__

• Erichrome Black-T

• Phenolphthalein

• Phenol Red

• Starch

Reverse Osmosis is a process in which

• Contaminants are removed from water

• Water is separated from its contaminants

• Hardness of water is removed

• DO from water is removed

In the determination of hardness of water by EDTA method, buffer added is a pH

• 10

• 8

• 7

• 9.2

A semipermeable membrane allow the flow of _____

• Solute Molecule

• Solvent Molecule

• Solute Molecule & Solvent Molecule

• None of the above

Temporary Hardness is also called as____

• Carbonate Hardness

• Non-Carbonate Hardness

• Carbonate & Non-Carbonate

• All of the above

Determination of Dissolved Oxygen by Winkler,s method which titration method

• Acid Base

• Complexometric

• Iodometric

• Redox

Coversion of equivalent to the which molecule__

• CaCo3

• MgSo4

• Caso4

• Mgcl2