How would you obtain clear water from a sample of muddy water ?
How is muddy water purified ?
How is alum purified ?
select correct statement (s) : blood is a colloidal solution, Alum is used in water purification, River water is a colloidal solution of clay, Colloidal medicines are more effective due to large surface area.
Fill up the blanks: Impurities settled at the bottom when muddy water was kept overnight in a bucket.The clear water was then poured off form the top. The process of separation used in this example is called .......... .
What are the different states in which water is found during water cycle ?
Describe the ordinary chemical method to purify the water?
