Question

POUICE UVUVUD
2. State the colour when iodine is liberated with addition of KI to ore sample.
3. Name the chemical which removes turbidity formed due to adding NaOH in sample
solution.​

Answer 1

Answer:

1.) absorption will cause the solution to change its colour from dark blue to light yellow a colour when titrated with standardised thiosulfate solution.

2.) Alum is one of the most widely used coagulants in the water treatment industry (Benschoten and Edzwald 1990). For water and wastewater treatment, the coagulants used more frequently are the inorganic salts of aluminum.