Question
What is chromatography? State its two applications.
✓
Answer
Chromatography is a technique of separating two or more dissolved solids which are present in a solution in very small quantities. Its two applications are:
- Chromatography is used to separate solutions of coloured substances (dyes and pigments).
- Chromatography is used to separate small amounts of products of chemical reactions.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Why are local names not sufficient to recognize the organisms? What are the advantages of keeping scientific names?
Write a note on lichens.
What is the number of zinc atoms in a piece of zinc weighing $10g$? (Atomic mass of $Zn = 65u$)
→Why composite fish culture is a preferred method of fish culture? Give one reason.
A person complaints of frequent headache, vomiting and becomes unconscious frequently. Which organ is most likely to be affected?
A train travelling at 20ms-1 accelerates at 0.5ms-2 for 30s. How far will it travel in this time?
Differentiate between diffusion and osmosis. What is its importance?
Which method is commonly used for improving cattle breeds and why?
Explain by an example what is meant by potential energy. Write down the expression for gravitational potential energy of a body of mass m placed at a height h above the surface of the earth.
- Label the parts marked $1$ to $4$ in figure.
- Mention difference between $1$ and $3.$
