SELECT * FROM question_mgmt as q WHERE id=3945 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=8 AND subId=16 AND chapterId=180 and ex_no='5' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 9th science Matter in Our Surroundings give two reasons to justify mdash a water at

Question:

Give two reasons to justify—

(a) water at room temperature is a liquid.
(b) an iron almirah is a solid at room temperature.

Answer:

(a) Water at room temperature is a liquid because at this temperature:

       i). It has fixed volume.
       ii). It can flow.

(b) An iron almirah is solid at room temperature because at this temperature:

       i).  It has a definite shape along with fixed volume.
       ii). It can not flow like water and hence does not possess fluidity.


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  • Answered by Ekta Mehta
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