निम्नलिखित अवलोकनों का कारण लिखें-
(a) नैफ्थलीन कुछ समय बाद ठोस को छोड़े बिना अदृश्य हो जाती है।
(b) हम इत्र की खुशबू कई मीटर दूर बैठे अनुभव कर सकते हैं।
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Explanation:
a) naphthalene Kuchh der bad hi isliye thos mein nahin Rah paati Kyunki usmein Naam Ki prakriya hoti sublimation mein kya hota hai ki vah Bina Koi liquid form Mein Aaye gas ke form Mein Roop Mein Badal Jaati Hai Aur
B) Ham Mitti ki Khushboo Kahin metre Dur Baitha kar sakte hain Kyunki Iske pregnancy hote hain vah mein Charo Taraf mile hue add particle se interconnect hote hain aur Inki high quality of water cycle speed in sendha is greater than other particles of the year and we met them from the
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please thanks my all answers
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