रसायन विज्ञान | Chemistry bpsc previous year question paper | bpsc teacher science question

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[@RaghavSingh-qo9tn]

Nice video

[@dkvarun3457]

🎉

[@ab.doubt.nhi.1]

Apka ans shi h ,lekin apchayan me O2 ka hras hota h

[@ab.doubt.nhi.1]

Sir Q 1 ko phir se check kar lijiye

[@SanjayKumar-ez1ph]

Barf pighalne par aaytan Jada hota hai

[@Vikalp_Gayan]

बर्फ पिघलने पर आयतन कम होता हैं। बर्फ जमने पर आयतन बढ़ता है इस लिए ठंढी के दिनों में नल के पाइप फट जाते है।

[@ab.doubt.nhi.1]

Sayad ulta bta diye h aap , please 🙏