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দিয়াশলাই কে আবিষ্কার করেন ?

Ferdows blog

প্রশ্নঃ দিয়াশলাই কে আবিষ্কার করেন ?

প্রশ্নঃ দিয়াশলাই এর আবিষ্কারক কে ?

ক. জীন চ্যান্সেল

খ. গ্যালিলিও

গ. জগৎদিশ বসু

ঘ. নিউটন

উত্তরঃ জীন চ্যান্সেল

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