Decolorization and Filtration

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Questions and Answers

Which process involves removing color from a substance?

  • Solid separation
  • Filtering
  • Decolorization (correct)
  • Filtrate

What does filtering do?

  • Removes color from a substance
  • Separates solids from liquids or gases (correct)
  • Allows fluid to pass through but not the solid
  • Creates a mixture of solids and liquids

What is filtrate?

  • The filter used in the process
  • The solid that is separated
  • The fluid that passes through the filter (correct)
  • The substance that has color

Which process involves obtaining crystals of a soluble solvent from its hot saturated solution?

<p>Crystallization (B)</p> Signup and view all the answers

What is the purpose of filtering?

<p>To separate solids from liquids or gases (D)</p> Signup and view all the answers

What is the definition of fluid?

<p>A substance that flows or deforms under applied stress (D)</p> Signup and view all the answers

What is the state change from solid to liquid called?

<p>Melting (C)</p> Signup and view all the answers

What is the purpose of extraction?

<p>To separate a desired substance from a mixture (D)</p> Signup and view all the answers

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Study Notes

Separation Techniques

  • Decolorization is the process of removing color from a substance.
  • Filtering is a process that separates solid particles from a fluid, resulting in a solid residue and a liquid filtrate.
  • Filtrate is the liquid that passes through the filter, leaving the solid particles behind.

Crystallization

  • Crystallization is the process of obtaining crystals of a soluble solvent from its hot saturated solution.

Purpose of Filtering

  • The purpose of filtering is to separate solid particles from a fluid, making it clear or pure.

Fluid Definition

  • A fluid is a substance that flows, such as a liquid or gas.

State Change

  • The state change from solid to liquid is called melting.

Extraction

  • The purpose of extraction is to separate a substance from a mixture or another substance, often to obtain a desired component or to purify the substance.

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