SELECT * FROM question_mgmt as q WHERE id=3963 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=8 AND subId=16 AND chapterId=181 and ex_no='5' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 9th science Is Matter Around Us Pure classify each of the following as a homogeneous or

Question:

Classify each of the following as a homogeneous or heterogeneous mixture.

soda water, wood, air, soil, vinegar, filtered tea.

Answer:

Homogenous mixture: Uniform composition of constituents.

Heterogenous mixture: Non-uniform composition of constituents.


     Homogenous                   Heterogenous 

-  Soda water                    -  wood (C,O,H,N)
-  Vinegar                          -  
air (O2, N2, H2,Co2, etc)
-  Filtered tea                    -  
soil


SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='8' AND subId='16' AND ex_no!=0 AND status=1 and id!=3963 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='8' AND subId='16' AND ex_no!=0 AND status=1 and id!=3963 ORDER BY last_viewed_on desc limit 0,10

Comments

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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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