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Rocks and Minerals — CHEMISTRY STD 6 — Question

ICSE BoardEnglish MediumSTD 6CHEMISTRYRocks and Minerals1 Mark
Question
Why are sedimentary rocks also called secondary rocks?
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Answer

Sedimentary rocks are also called as secondary or derived rocks as the material (clay or sand, etc.) they are formed from is derived from other rocks (igenous/primary).

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