SELECT * FROM question_mgmt as q WHERE id=6439 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=12 AND subId=16 AND chapterId=369 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 8th science Combustion and Flame list conditions under which combustion can take pl

Question:

List conditions under which combustion can take place.

Answer:

A chemical process in which a substance reacts with oxygen to give a product in the form of heat is called combustion. There are some conditions under which combustion takes place, which are as follows:

  1. Air
  2. Ignition temperature
  3. Combustible substances must be present.


SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='12' AND subId='16' AND ex_no!=0 AND status=1 and id!=6439 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='12' AND subId='16' AND ex_no!=0 AND status=1 and id!=6439 ORDER BY last_viewed_on desc limit 0,10

Comments

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  • 4 months ago

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  • Answered by Ekta Mehta
  • 4 months ago

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  • Answered by Ekta Mehta
  • 4 months ago

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