भौlतक पåरवतर्तनि में पदाथर्त की रासायlनिक पहचानि बदले lबनिा उसके भौlतक गुणों (जैसे अवस्था, आकार) में पåरवतर्तनि होता है। रासायlनिक पåरवतर्तनि में पदाथर्त की रासायlनिक संरचनिा बदल जाती है और निए पदाथर्त बनिते हैं।
नीचे अवस्था पǐरिवर्तन के कु छ प्रकारि Ǒदिए गए हैं : A. जल का वाष्पीकरिण B. मोमबत्ती का जलना C. जल में चीनी का घुलना D. जल के वैद्यु अपघटन द्वारिा हाइड्रोजन औरि ऑक्सीजन को बनाना सही ͪवकल्प को चुǓनए :
Asked in HAS Prelims 2021 · Topic: Physical and Chemical Changes, Solution (Definition and Characteristics of Physical Changes)
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Answer: D. B में भौlतक और रासायlनिक, दोनिों पåरवतर्तनि होते हैं।
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