Question

give important uses of bleaching powder, sodium hydroxide and plaster of Paris​

Answer 1

●Bleaching Powder:-

1.As a bleach.

2.As a disinfectant. As an example, in water treatement processes.

3.To manufacture chloroform

●Sodium Hydroxide:-

1.It is major ingredient in drain and oven cleaners.

2.It is used in chemical manufacturing, oil refining, hydraulic fracturing, water treatment and metal processing.

3.It is used in the manufacture of fabric, plastic wrap, paper and soap.

●Plaster Of Pasis:-

1.It is commonly used to precast and hold parts of ornamental plasterwork placed on ceilings and cornices.

2. It is also used in medicine to make plaster casts to immobilize broken bones while they heal, though many modern orthopedic casts are made of fibreglass or thermoplastics.

Answer 2

Bleaching powder is used to bleach clothes and hair ..

It is also added to water..

Sodium hydroxide is also known as caustic soda. It is used in the preparation of sodium carbonate..

Plaster of Paris is used in making statues..

It is also used in dentistry..