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

Rajasthan BoardEnglish MediumSTD 9ScienceIs Matter Around Us Pure ?1 Mark
Question
Choose the substance that is used as a filter.
✓

Answer

  1. Unglazed porcelain
Explanation:
Unglazed porcelain can be used as filters because it has small poses which filter some dirt.

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