सिद्ध कीजिए कि प्रथम कोटि की अभिक्रिया के 3/4 पूर्ण होने में लगा समय उसकी अर्द्ध आयु का दोगुना होता

[@RitikSaini-x4c]

Sir ji bhot aacha sikha te ho aap ji

[@ParasKushwah-p2e]

Sir apke bolne ka tarika bahut pyara hai🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉

[@SachinkumarKumar-y8k]

Sir bahut achha samjh aya, thank you 🙏🏻🙂😊

[@studyguru165]

Thanks ♥️♥️♥️

[@AnilPrasad-lr1sp]

Thanks sir ❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤

[@studyguru165]

Welcome ♥️♥️♥️

[@Nikhilsharma-t4p]

Sir aap se pheli bar class liye aap kitna acha pdhate ho aur aap ki voice kitni piyari hai sir thank you so much sir 🙏🏻❤

[@Shreyasaini-um6tv]

Sir bahut achhe se samjh aa gya thank you 😊😊😊

[@studyguru165]

♥️♥️♥️

[@Jhotaking0001]

Hii

[@Sumitsaini-cg3wo]

Very nice sir ❤❤🎉

[@laldheryadav9792]

बहुत अच्छा था sir thaks you but screenshort karne ke liye end me hatt Jaya kariye please

[@studyguru165]

Okk thanks ♥️♥️♥️

[@SaniyaAnsari-s7y]

Thanks sir ❤❤❤❤❤

[@RamasankarKumar-b8x]

Thanks sir🤗🤗

[@RakeshBagheh123]

Thanks sir

[@ravimorya8311]

🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉

[@studyguru165]

Thanks ♥️♥️♥️

[@prashantraghav9043]

Thank you so much sir

[@sonubajpaibajpai5838]

Samaj aa gaya😊

[@AmitKumar-dm7jb]

Sir

[@HarshSaini-d2g]

👃👃👃👃👃👃👃

[@SushilaDevi-w8o]

🎉🎉

[@PhoolChandVerma-jk1ud]

❤

[@studyguru165]

♥️♥️♥️

[@SushilaDevi-w8o]

❤❤❤

[@HarshSaini-d2g]

❤❤❤❤❤❤❤❤

[@avdhesh_motivation]

sir safa video daliye

[@studyguru165]

Thanks ♥️♥️♥️

[@madhu_vlogs-7k-s]

Sir ji aapne to screen shot lene ka mauka hi nhi diya😅😅😅😝😝

[@shivanshSingh-xl3vx]

Sar Jo aap padhaate hain aur jo likhkar aata hai vah aap jab padhaate Hain to aap Jo padhaate Ho chhip jata hai Aisa kuchh kar dijiye kyon likhna hai

[@LopaTchifski]

الڨيد رڨد

[@LopaTchifski]

نتا زل عند الهنودة ياك

[@AmitKumar-dm7jb]

Samchhznahiaya

[@Shreyasaini-um6tv]

Gdha hoge esliye samjh nhi aya😅😅😅😅😅

[@SaniyaAnsari-s7y]

Thanks sir ❤❤❤❤❤

[@MS_Baaghi]

❤❤❤❤