निकाय एवं परिवेश: Difference between revisions
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m (added Category:उष्मागतिकी using HotCat) |
m (removed Category:रसायन विज्ञान using HotCat) |
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[[Category:भौतिक रसायन]] | [[Category:भौतिक रसायन]] | ||
[[Category:उष्मागतिकी]] | [[Category:उष्मागतिकी]] | ||
