CBSE Class 9 Chemistry Chapter 1 Quiz

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Questions and Answers

What are the two types of solutions mentioned in the text?

  • Solid and Liquid
  • Mixture and Solution
  • Saturated and Unsaturated (correct)
  • Homogeneous and Heterogeneous

What is the process of separating a mixture of two solids called?

  • Magnetism
  • Filtration
  • Centrifugation
  • Sublimation (correct)

What is the method used to separate cream from milk?

  • Decantation
  • Sublimation
  • Filtration
  • Centrifugation (correct)

Which subject is covered in Class 9 CBSE Syllabus?

<p>Maths (A)</p> Signup and view all the answers

What is the Tyndall effect?

<p>The scattering of light by colloidal particles (D)</p> Signup and view all the answers

Flashcards

Saturated Solution

A solution that contains the maximum amount of solute that can dissolve at a given temperature.

Unsaturated Solution

A solution that can dissolve more solute at a given temperature.

Sublimation

The process of separating a mixture of two solids by heating one of the components, which changes directly from a solid to a gas.

Centrifugation

The process of separating components of a mixture by spinning them at high speed.

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Tyndall Effect

The scattering of light by colloidal particles, making the beam visible.

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Study Notes

Separation of Mixtures

  • There are two types of solutions: homogeneous and heterogeneous.
  • The process of separating a mixture of two solids is called chromatography.

Separation of Cream from Milk

  • Centrifugation is the method used to separate cream from milk.

Education

  • The topic of separation of mixtures is covered in Class 9 CBSE Syllabus.

Science Phenomena

  • The Tyndall effect is the scattering of light by particles in a colloid.

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