
মোলের ধারণা - MCQ সেট -01
Authored by Soumitra Pramanik
Science
9th Grade

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50 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
অ্যাভোগাড্রো ধ্রুবকের (Nₐ) একক কী?
g/mol
mol⁻¹
L/mol
কোনো একক নেই
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
STP-তে 1 গ্রাম অণু অক্সিজেনের (O₂) আয়তন কত?
32 L
16 L
22.4 L
11.2 L
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
নীচের কোনটির ভর সর্বাধিক?
1 মোল জল (H₂O)
1 মোল অ্যামোনিয়া (NH₃)
1 মোল মিথেন (CH₄)
1 মোল কার্বন মনোক্সাইড (CO)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
0.25 মোল সালফিউরিক অ্যাসিডের (H₂SO₄) ভর কত? (H=1, S=32, O=16)
98 g
49 g
24.5 g
100 g
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1.7 গ্রাম অ্যামোনিয়া (NH₃) গ্যাসে অণুর সংখ্যা কত?
6.022 × 10²²
6.022 × 10²³
3.011 × 10²³
1.2044 × 10²³
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
STP-তে 2 গ্রাম হাইড্রোজেন (H₂) গ্যাসে উপস্থিত অণুর সংখ্যা এবং 32 গ্রাম অক্সিজেন (O₂) গ্যাসে উপস্থিত অণুর সংখ্যার অনুপাত কত?
1:1
1:16
16:1
1:8
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
'গ্রাম-পরমাণু' (Gram-atom) কথাটি কোন পদার্থের ক্ষেত্রে ব্যবহৃত হয়?
মৌল
যৌগ
মিশ্রণ
আয়ন
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