Question

Observe the diagrams and answer the following questions :
(a) Identify the separation technique in the above diagram.
(b) What do you observe on the filter paper as the water rises up ?
(c) Give a reason for the rise of coloured spot on the paper strip.
(d) Give any two applications where you can use this technique.

CBSE Class IX Science LA (5 Marks)

Answer 1

(a) Chromatography.

(b)    Different colours will appear at different heights.

(c)    Different colours have different rate of adsorption.

(d)   Applications : Separate colours in a dye; separate drugs from blood.

Answer 2

Answer:

Same as the above because it is correct answer to the question