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Lesson 1 Properties of Pure Substance (in Hindi)
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Ankit Verma
B.E IN MECHANICALENGINEERING . MECHANICAL ENGINEER..8 YEARS OF TEACHING EXPERIENCE ...PASSION FOR TEACHING.

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(2)
U
Unacademy user
3rd Point smjh ni aya sir .. Invariable in chemical Aggregation wali Thora aur explain kr dijiye
Ankit Verma
9 months ago
Time ke saath na vary ho jae uski composition aise yaad krlo...
Ankit Verma
9 months ago
Second wale ko aiss yaad kro ki idhar se udhar leke gye aur itne mai bdal gyi
Sir how is Liquid air different from Gaseous air?
Ankit Verma
9 months ago
Perecentage composition