Question

write preparation and properties of washing soda

Answer 1

- Washing Soda is a transparent crystalline solid.

- It is one of the few metal carbonates which are soluble in water.

- Do you know that the solution of washing soda in water is alkaline which turns red litmus to blue.

- Washing Soda has detergent or cleansing properties because it can remove dirt and grease from dirty clothes. How it cleanse the clothes? Washing soda attacks dirt and grease to form water soluble products, which are then washed away on rinsing with water.

- It has a melting point of 8510C.

Answer 2

preparation
Ca(OH)2+CO2------CaCO3+H2O
properties
first it is used in whitewashing of the wall