The insoluble solid left behind on the filter paper during filtration is called _________

The solid which is left on the filter paper after filtration.…………

The volume of air left in the lungs after maximum expiration is called "_____________" while volume of air breathed out during a normal restful respiration is called "_____________" .

The lagging behind of strain is called ____

The wood formed during spring season is called :

The filtration units of kidneys are called

A coloured solution known to contain two metal ions, was treated with excedss cold sodium hydroxide solution. When filtered a whitish solid, slowly changing to brown, was retained on the filter paper and a colourless solution collected as the filtrate. dropwise addition of hydrochloric acid to the filtrate produced a white ppt. which dissolved in excess acid. treatment of the residue on filter paper with a solution of strong oxidier produced a reddishh-violet solution.. indicate any pairs of ions:

Stable plant community formed during succession is called:-

The solid particles which remain on the filter paper are called and the liquid which passes through it is called…………….

A child wanted to separate the mixture of dyes constituting a sample of ink. He marked a line by the ink on the filter paper and placed the filter paper in a glass containing water as shown in figure. The filter paper was removed when the water moved near the top of the filter paper. (a) What would you expect to see, if the ink contains three different coloured components? (b) Name the technique used by the child. (c) Suggest one more application of this technique.