General Science Yadi Doodh Ko Kafi Samay Tak Bina dhanke Rakha Jaye To Doodh Khatta Ho Jata Hai , Yah NimnLikhit Me Se Kiske Karan Hota Hai ?

यदि दूध को काफी समय तक बिना ढँके रखा जाए तो दूध खट्टा हो जाता है , यह निम्नलिखित में से किसके कारण होता है ? - If milk is kept uncovered for a long time, the milk becomes sour, it is due to which of the following? - Yadi Doodh Ko Kafi Samay Tak Bina dhanke Rakha Jaye To Doodh Khatta Ho Jata Hai , Yah NimnLikhit Me Se Kiske Karan Hota Hai ? General Science in hindi,  Chemistry carbonic Aml question answers in hindi pdf  carbonic Aml questions in hindi, Know About lactic Aml General Science online test General Science notes in hindi quiz book    acitic Aml