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  • মৌলের-পর্যায়বৃত্ত-ধর্ম-ও-রাসায়নিক-বন্ধন - এইচএসসি-রসায়ন ১মপত্র-3 - কুইজ মডেল টেস্ট অনুশীলন - 792

মৌলের-পর্যায়বৃত্ত-ধর্ম-ও-রাসায়নিক-বন্ধন – এইচএসসি-রসায়ন ১মপত্র-3 – কুইজ মডেল টেস্ট অনুশীলন – 792

মৌলের-পর্যায়বৃত্ত-ধর্ম-ও-রাসায়নিক-বন্ধন – এইচএসসি(HSC) বা উচ্চ মাধ্যমিক-রসায়ন ১মপত্র-3 – কুইজ মডেল টেস্ট অনুশীলন – 792

7911. যে কোন পর্যায়ের বাম হতে ডানে-

  1. আকার কমে
  2. পারমাণবিক ব্যাসার্ধ করে
  3. গলনাঙ্ক ও স্ফুটনাঙ্ক বাড়ে

 A

7912. সর্বপ্রথম ট্রায়োড বা ত্রয়ী সূত্র প্রদান করেন কোন বিজ্ঞানী?

  1. নিউল্যান্ড
  2. লুথার মেয়ার
  3. ডোবিরিনায়ের
  4. নিউল্যান্ড

 D

7913. পানির অণুতে অক্সিজেনের Hybr1d1sat1on state কত?

  1. sp
  2. sp2
  3. sp3
  4. sp3d

 C

7914. উদ্দীপকটি পড়ো এবং নিচের ২টি প্রশ্নের উত্তর দাও: ‘X’ একটি যৌগ যেটি বালুর প্রধান উপাদান। X পানি ও অম্লের সাথে বিক্রিয়া করে না। কিন্তু ক্ষারের (NaOH) সাথে বিক্রিয়া করে লবণ উৎপন্ন করে। X যৌগ কোনটি?

  1. SO2
  2. S1O2
  3. Na2S1O3
  4. Na2O

 B

আমাদের কাছে থাকা লক্ষ লক্ষ মডেল টেস্ট থেকে প্রাকটিজের জন্য কিছু এখানে তুলে ধরা হল। প্রতিটি অধ্যায়ের উপরে ইশিখন.কম কুইজ চ্যালেঞ্জ এ আছে শত শত মডেল টেস্ট বার বার মডেল টেস্ট দিয়ে নিজেকে যাচাই কর এবং পুরো বাংলাদেশের সকল শিক্ষার্থীর সাথে আপনার মেধা তালিকা দেখুন।

   
   
January 3, 2016 | 9 years আগে
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Ibrahim Akbar

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