Science Assignment Class 7 Answer 2020 – ৭ম শ্রেণির বিজ্ঞান অ্যাসাইনমেন্ট প্রশ্নের সমাধান

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Science Assignment Class 7

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Class 7 Science Assignment Solution 4th Week

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Class 7 Science Assignment

৭ম শ্রেণির  বিজ্ঞান অ্যাসাইনমেন্ট প্রশ্নের সমাধান

Below we have published the answers and questions of Class Seven Science Assignment in the form of pictures and PDF for your convenience. So download your question and answer now and complete your assignment.

সপ্তম শ্রেণির বিজ্ঞান অ্যাসাইনমেন্ট

প্রশ্ন ১: লিথিয়াম, পানি, খাবার লবন, চক, কার্বন, চুন, নাইট্রোজেন, পটাশিয়াম, অক্সিজেন, আয়ােডাইড, লােহা, ক্লোরিন ইত্যাদি কিছু পদার্থ।

ক) মৌলিক পদার্থ কাকে বলে?

উত্তর:

খ) অণু ও পরমাণুর মধ্যে পার্থক্য লিখ।

উত্তর:

গ) উদ্দীপকে উল্লেখিত পদার্থগুলােকে প্রতীক ও সংকেতের সাহায্যে প্রকাশ করে মৌলিক পদার্থ ও যৌগিক পদার্থ আলাদা কর।

উত্তর:

ঘ) উল্লেখিত পদার্থগুলাের মধ্যে কাকে সার্বজনীন দ্রাবক বলা হয়? কারণ বিশ্লেষণ কর।

উত্তর:

সংক্ষিপ্ত প্রশ্ন

১। চিনিকে কেন যৌগিক পদার্থ বলা হয়?

উত্তর:

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