On which property the process of sedimentation depends ?

Two components having different densities can be separated by  _______________________.

Which of the following is not a step of purification of water?

With the help of sieving method we can use substances based on ________________

Which of the following objects is not a part of the apparatus used for crystallisation?

In the process of water purification, the final purification of water is done with the help of disinfectant like chlorine. Which of the following is the correct definition of disinfectants ?

Which of the following are correct :

(a) When a heavier component in a mixture settles after water is added to it, the process is called sedimentation.

(b) When a heavier component in a mixture settles after water is added to it, the process is called decantation.

(c) The process of separating a liquid from the sediment by carefully pouring it into another container is called decantation.

In which of the following cases drying of handkerchief will be at faster rate ?

A separation process that is a combination of evaporation and condensation in which the liquid is first converted to vapour by heating and the vapours of liquid are then cooled to get pure liquid is known as  __________________

Which of the following are correct :

(a) In magnetic separation method, the separation is always done with the help of a magnet.

(b) From a mixture of iron filings and sulphur, iron can be separated by magnetic separation method.

(c) When a magnet is just brought over the mixture of iron filings and sulphur, iron filings get attached to the magnet.