Download App

Is Matter Around Us Pure — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure1 Mark
MCQ
Select the method you will use to separate the different constituents of ink:
  • A
    Filtration
  • ✓
    Chromatography
  • C
    Crystallisation
  • D
    Sublimation
✓

Answer

Correct option: B.
Chromatography
The process of separating ink is a simple science experiment. It can be useful in identifying unknown solutions as well.
Through the submersion of chromatography paper into water, any sample of ink can be separated into its respective cyan, magenta, and yellow components.
The water causes the ink molecules to $"$travel$"$ up the paper strip.
Depending on the mass of the molecule, various pigments will travel faster than others, causing the separation.

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→Gujarat Board STD 9 question papers→Gujarat Board question paper generator→

Similar questions

The term 'Health' is defined in many ways. The most accurate definition of health would be:
→
The term mitosis was given by:
→
A stone is thrown vertically up from the ground. It reaches a maximum height of $50\ m$ in $10s$. After what time will it reach the ground from the maximum height?
→
Nodules with nitrogen-fixing bacteria are present in:
→
One of the following is a solid foam. This one is:
→
When an object is accelerated:
→
If crop rotation is done properly then:
→
These maintain the quality of air and soil and provide flood and disease control.
→
Which one of the following is not a viral disease$?$
→
Which of the following statements given below is correct about meristematic tissue?
→