Question

name two chemicals that may help in purifying water

Answer 1

Here is your answer......... ;

1. Iodine as Iodinization.

2. Mixture of chlorine and ammonia = chlorination

3. Bromine as Bromination.

4. Ozone as Ozonation.


..... Hope you got it.

Answer 2

ANSWER

CHEMICAL THAT MAY HELPFUL TO PURIFICATION OF WATER


Chlorine either as gas or by adding Sodium hypochlorite to the water.

Potassium permangnate, till the water becomes light pink.

Ozone. Its effect is short-lived. The treatment is called Ozonation.

Bromin, The treatment is called Bromination (not recommended)

Mixture of Chlorine and ammonia. The treatment is called Chlormination.

Iodine. The treatment is called Iodinization (Not recommended)


Chlorine is used as an oxidizing agent to cause iron to precipitate and be filtered.

Both Chlorine and Chloramine are used to kill bacteria, viruses and other organisms.

Iron, in the form of Ferric Sulfate and Ferric Chloride is used to flocculate sediment into large particles that can be mechanically filtered out.

Aluminum compounds such as Aluminum Chloro-hydrate, Aluminum Sulfate and Poly-Aluminum Chloride are also used as flocculants

Hydrochloric, Citric, and Sulfuric acids may be used to lower the pH of highly alkaline water

Sodium Hydroxide or (NaOH) may be used to Raise the pH of acidic water. Calcium Hydroxide, or Calcium Chloride may also be used

Ozone and Hydrogen may be used to kill bacteria

Sodium may be used in water softening where high-hardness calcium scale is problematic

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