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Is Matter Around Us Pure? — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure?1 Mark
Question
State whether the following statements are true or false:

  1. Bread is an example of solid foam.

  1. Sponge is an example of solid sol.

What type of colloids are bread and sponge?

✓

Answer

  1. True.
  2. False.

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