SELECT * FROM question_mgmt as q WHERE id=3549 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=9 AND subId=16 AND chapterId=254 and ex_no='4' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 10th science Metals and Non-Metals define the following terms nbsp nbsp nbsp

Question:

Define the following terms.

   (i) Mineral          (ii) Ore          (iii) Gangue

Answer:

(i) Mineral: Minerals are the substances that are rich in particular metals and their composition is fixed.

(ii) Ore: Minerals from which particular metals can be extracted profitably are known as ores.

(iii) Gangue: The impurities like sand, silt, soil, gravel, etc. present in the ore are called gangue.


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