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Federal (FBISE) · Chapter test · Free

9th Class Chemistry Chapter 19 Test19. Chromatography

20 marks · 40 minutes · 11 questions. Covers: 19. Chromatography.

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9th Class Chemistry Chapter 19 Test

9th Class · Chemistry · Federal (FBISE)

Name: ____________Roll No: ________Class/Section: ________Date: ________Total marks: 20Time: 40 minutes

Q1. Short questions (Attempt any 6 of 8 · 6 × 2 = 12)

  1. Define chromatography.
  2. What do you mean by paper chromatogram?
  3. What is the stationary phase?
  4. What is chromatography?
  5. Define Paper chromatography?
  6. What is the principle of chromatography?
  7. What is Rf value?
  8. What is Rf value?

Q2. Long questions (Attempt any 2 of 3 · 2 × 4 = 8)

  1. How can you identify an unknown substance by chormatography?
  2. Differentiate between stationary and mobile phase.
  3. Explain the paper chromatography?