Available Chlorine - Viva

The titrant used for the available chlorine determination test is

• Sodium thiosulphate

• Acetic acid

• Sodium alumino silicate

• Potassium thiosulphate

The normality of titrant used for available chlorine test is ------N

(a)  

If no blue colour occurs, the sample should be titrated with --------------

• Sodium thiosulphate

• Potassium thiosulphate

• Iodine solution

• Potassium iodide

Indicator used for available chlorine test is -------

(a)  

35.46 in the equation indicates ------------

(a)  

Choose the disinfectants used

• sodium chloride solution

• solid calcium hypochlorite

• sodium hypochlorite solution

• None of the above

Typically bleaching powder contains--------% of available chlorine.

• 10 to 20

• 20 to 30

• 30 to 40

• 40 to 50

Amount of bleaching powder required for the test is -------------------

• 1g

• 2g

• 3g

• 4g

Choose the disinfection methods.

• chlorination

• ozone treatment

• Calcination

• solidification

Chlorine will liberate free iodine from ---------- solutions when its pH is 8 or less.

• potassium iodide

• calcium iodide

• All the above

• None of the above