Download App

Is Matter Around Us Pure ? — Science STD 9 — Question

Rajasthan BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure ?1 Mark
Question
The dye from blue fountain pen can be separated by:
✓

Answer

  1. Chromatography
Explanation:
Fountain pen ink chromatography is when you use liquid and paper to separate out the components of another liquid, which in this case is fountain pen ink.
The reason this happens is that as the ink moves through the paper, the different dyes that are in it move at different speeds, which causes them to separate and become visible.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [1 M]" from Is Matter Around Us Pure ?→Is Matter Around Us Pure ? — all question types→Science STD 9 question papers→Rajasthan Board STD 9 question papers→Rajasthan Board question paper generator→

Similar questions

 Work done by a body is:
→
Crude oil is purified using fractional distillation process. This method works on the principle of:
→
The mature mammalian red blood cells are incapable of further division because:
→
Seat of photosynthesis is:
→
When a force retards the motion of a body, the work done is:
→
Which one of the following is not a property of solution:
→
Vegetables and fruits are good sources of:
→
Find out the correct sentence:
→
Which of the following can produce longitudinal waves as well as transverse waves under different conditions?
  1. Water.
  2. TV transmitter.
  3. Slinky.
  4. Tuning fork.
→
A mixture of sulphur and carbon disulphide is:
→