Shubham Jha - Class 11 & 12
A gaseous hydrocarbon cnh2n+2 has vapour density 29 the value of n is
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⏤‌❱⋆⋆‌⃝🦋⃟'‌🇴ANAMIKA❱⋆⋆‌⃝🦋⃟'‌, 

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