SELECT * FROM question_mgmt as q WHERE id=2040 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=3 AND subId=9 AND chapterId=62 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 12th chemistry The p-Block Elements mention three areas in which h2so4 plays an import

Question:

Mention three areas in which H2SO4 plays an important role.

Answer:

Sulphuric acid is an important industrial chemicaland is used for a lot of purposes. Some important uses of sulphuric acid are given below.

(i) It is used in fertilizer industry. It is used to make various fertilizers such as ammonium sulphate and calcium super phosphate.

 

(ii) It is used in the manufacture of pigments, paints, and detergents.

 

(iii) It is used in the manufacture of storage batteries.


SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='3' AND subId='9' AND ex_no!=0 AND status=1 and id!=2040 ORDER BY views desc, last_viewed_on desc limit 0,10
SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='3' AND subId='9' AND ex_no!=0 AND status=1 and id!=2040 ORDER BY last_viewed_on desc limit 0,10

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  • Answered by Ekta Mehta
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  • Answered by Ekta Mehta
  • 4 months ago

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