Q.11. Define the following terms.
(ii) Ore.
Ores are defined as the minerals which can be extracted to make profits. Only economically extractable elements (generally metals) are considered to be ores.
CBSE to conduct Class 10, 12 practical board exams 2026-27 from November 9
CBSE opens LOC correction facility for Class 10, 12 board exams 2027; make changes by November 7
CBSE Date Sheet 2027 LIVE: Class 10, 12 subject-wise timetable soon; two board exam policy, grading system
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