You got 5 of 25 possible points.
Your score: 20%
Question 1

প্রমাণ অবস্থায় 10.0 L মিথেন গ্যাস অণুর সংখ্যা কত?
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
26.89×1025
Incorrect
0
Should not have chosen
2.689×1023
0
Should not have chosen
0.2689×1023
0
Should not have chosen
26.89×1025
0
Should have chosen
Should have chosen
Question 2

IUPAC পদ্ধতিতে CH3-CH(CH3)CH2-C(CH3)OH-CH2-CH3 এর নামকরণ হচ্ছে-
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
1,3-Dimethyl1-1-Ethylbutanol-1
0
Should not have chosen
1-Ethyl-1,3-Dimethylhexanol-1
0
Should not have chosen
2, 4-Dimethaylhexanol-4
Incorrect
0
Should not have chosen
3,5-Dimethylhexanol-3
0
Should have chosen
Should have chosen
Question 3

গ্যাসীয় অবস্থায় ১ মোল পরমানুতে ১ মোল ইলেক্ট্রন যোগ করলে যে শক্তির পরিবর্তন হয় তা হোল-
Score: 1 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
১ম ইলেক্ট্রন আসক্তি
Correct
1
Should have chosen
১ম ইলেক্ট্রন আসক্তি
0
Should not have chosen
১ম আয়নীকরণ শক্তি
0
Should not have chosen
ইলেক্ট্রোনেগেটিভিটি
0
Should not have chosen
Should not have chosen
Question 4

C6H5-CHO+CH3NH2→q+H2O বিক্রিয়ায় q এর আণবিক সংকেত কোনটি?
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
C6H5-HC=N-CH3
Incorrect
0
Should not have chosen
C6H5-HC=N-CH3
0
Should have chosen
C6H5-COOH
0
Should not have chosen
C6H5-CH3-COOH
0
Should not have chosen
Should not have chosen
Question 5

কোনটি জ্বালানি নয়-
Score: 1 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
C
0
Should not have chosen
CH4
0
Should not have chosen
O2
Correct
1
Should have chosen
H2
0
Should not have chosen
Should not have chosen
Question 6

নিচের কোন জলীয় দ্রবনটির pH সবচেয়ে বেশি?
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
0.1 M NH4Cl
0
Should not have chosen
0.1 M NH3
Incorrect
0
Should not have chosen
0.1 m NaOH
0
Should have chosen
0.1 M CH3COONa
0
Should not have chosen
Should not have chosen
Question 7

কোন প্রক্রিয়ায় 23490Th থেকে 23491Ph তৈরি হয়?
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
β emission
0
Should have chosen
γ emission
0
Should not have chosen
α emission
Incorrect
0
Should not have chosen
neutron -emission
0
Should not have chosen
Should not have chosen
Question 8

নিচের কোনটি লুইস এসিড?
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
NH3
0
Should not have chosen
AlCl3
0
Should have chosen
HNO3
Incorrect
0
Should not have chosen
AlCl3
0
Should not have chosen
Should not have chosen
Question 9

গলিত NaCl এর মধ্যে 1 F তড়িৎ চালনা করলে ক্যাথডে জমাকৃত Na এর পরিমাণ হচ্ছে-
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
2.3 g
0
Should not have chosen
46.0 g
0
Should not have chosen
23.0 g
0
Should have chosen
11.5 g
Incorrect
0
Should not have chosen
Should not have chosen
Question 10

তাপউৎপাদী বিক্রিয়ায় তাপমাত্রা বাড়ালে কোনটি সত্য নয়-
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
বিক্রিয়ার হার কমে
0
Should have chosen
বিক্রিয়ার হার কমে
0
Should not have chosen
বিক্রিয়া হার বাড়ে
Incorrect
0
Should not have chosen
সক্রিয়ণ শক্তি ধ্রূব থাকে
0
Should not have chosen
Should not have chosen
Question 11

নিচের কোন আলোকরশ্মির তরঙ্গদৈর্ঘ‌্য সবচেয়ে বড়-
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
Microwave
0
Should have chosen
Visible rasy
0
Should not have chosen
Gamma ray
0
Should not have chosen
X-ray
Incorrect
0
Should not have chosen
Should not have chosen
Question 12

নিম্নের কোন উক্তি বা উক্তিসমূহ সঠিক? i) চামড়া শিল্প থেকে Cr6+ বর্জ্য নির্গত হয় ii) ইউরিয়া সার শিল্প থেকে Hg2+ নির্গত হয় iii) ব্যাটারী তৈরির কারখানা থে Pb2+ নির্গত হয়
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
i+iii
0
Should not have chosen
i+ii
0
Should not have chosen
i+ii+iii
Incorrect
0
Should not have chosen
i+iii
0
Should have chosen
Should have chosen
Question 13

নিচের কোনটি সঠিক নয়?
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
The pH of a 0.01 M NaOH is 12
0
Should not have chosen
The PH of a 10-9 M HCl solution is 9
Incorrect
0
Should not have chosen
The PH of a 10-9 M HCl solution is 9
0
Should have chosen
The pH of a 10-2 M HCl solution is 2
0
Should not have chosen
Should not have chosen
Question 14

Co(NH3)4(H2O)2]Cl3 জটিল যৌগটিতে অবস্থান্তর ধাতুটির সন্নিবেশ সংখ্যা কত?
Score: 1 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
0
Should not have chosen
Correct
1
Should have chosen
0
Should not have chosen
0
Should not have chosen
Should not have chosen
Question 15

নিচের বিক্রিয়ার উৎপাদ / উৎপাদসমূহ কী? HCHO (গাঢ় NaOH দ্রবণ) / (conc.NaOH solution) Products(s)
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
CH3OH+HCOOH
Incorrect
0
Should not have chosen
CH3OH+CH4
0
Should not have chosen
CH3OH+HCOOH
0
Should have chosen
HCOOH
0
Should not have chosen
Should not have chosen
Question 16

নিচের কোন যৌগটি Optical isomerism দেখায়-
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
(CH3)2C=CHCl
0
Should not have chosen
CH3CH2COOH
Incorrect
0
Should not have chosen
CH3CH(NH2)COOH
0
Should have chosen
CH2(NH2)COOH
0
Should not have chosen
Should not have chosen
Question 17

CH3-CH=CH2 যৌগে কার্বনগুলোর সংকরণ কিরূপ?
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
sp, sp2
0
Should not have chosen
sp, sp2, sp3
Incorrect
0
Should not have chosen
sp2,sp3
0
Should have chosen
sp2,sp3
0
Should not have chosen
Should not have chosen
Question 18

0.10 mol/L দ্রবণ থেকে নির্দিষ্ট আয়তনের 0.01 mol/L দ্রবণ তৈরিতে নিম্নের কোন সেটটি সবচেয়ে বেশি উপযুক্ত?
Score: 1 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
Pipette and Volumetric flask
Correct
1
Should have chosen
Measuring cylinder and volumetric flask
0
Should not have chosen
Burette and beaker
0
Should not have chosen
Pipette and Beaker
0
Should not have chosen
Should not have chosen
Question 19

কোনটি ইলেক্ট্রোফাইল?
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
NH3
0
Should not have chosen
PH3
Incorrect
0
Should not have chosen
BF3
0
Should not have chosen
BF3
0
Should have chosen
Should have chosen
Question 20

CO এবং Co2+ এর জন্য নিচের কোন যোজ্যতা ইলেকট্রন বিন্যাসটি সঠিক?
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
4d25s2and4d75s0
0
Should not have chosen
3d74s2and3d74s0
0
Should have chosen
3d74s2and3d74s0
0
Should not have chosen
3d54s1and3d54s0
Incorrect
0
Should not have chosen
Should not have chosen
Question 21

প্রশমন এনথালপি -57.0KJmol-1 হলে Ba(OH)2(aq)+2HCl(aq)→BaCl2(aq)+2H2O(i) বিক্রিয়াটির এনথালপির পরিবর্তন কত?
Score: 1 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
-114 KJ
Correct
1
Should have chosen
-57.0 KJ
0
Should not have chosen
-114 KJ
0
Should not have chosen
-28.5 KJ
0
Should not have chosen
Should not have chosen
Question 22

ইলেক্ট্রোকেমিক্যাল সেল নোটেশনের ক্ষেত্রে নিচের কোনটি সঠিক?
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
Zn(s)|Zn2+(aq)||Cu2+(aq)|Cu(s)
0
Should have chosen
Zn2+(aq)|Zn(s)||Cu2+(aq)|Cu(s)
0
Should not have chosen
Zn2+(aq)|Zn(s)||Cu(s)|Cu2+(aq)
Incorrect
0
Should not have chosen
Zn2+(aq)|Zn(s)||Cu+1(aq)|Cu2+(aq)
0
Should not have chosen
Should not have chosen
Question 23

কোনটি সিমেন্ট ক্লিংকার এর উপাদান নয়-
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
Sodium Oxide
0
Should have chosen
Calcium silicate
0
Should not have chosen
Sodium Oxide
0
Should not have chosen
Magnesium Oxide
Incorrect
0
Should not have chosen
Should not have chosen
Question 24

ফেলিং দ্রবন ও টলেন বিকারক দ্বারা নিচের কোন গ্রুপ এর মধ্যে পার্থক্য করা যায়-
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
1ͦ and 2ͦ Alcohol
0
Should not have chosen
Aldehyde and Ketone
0
Should have chosen
Alkane and Alkyne
0
Should not have chosen
Aldehyde and Ketone
Incorrect
0
Should not have chosen
Should not have chosen
Question 25

নিচের কোনটি জারণ-বিজারণ বিক্রিয়া নয়?
Score: 0 of 1
ChoiceCorrect?ScoreFeedbackCorrect answer
NaCl+AgNO3→NaNO3+AgCl
0
Should have chosen
2Na+Cl2→2NaCl
0
Should not have chosen
SnCl2+FeCl3→SnCl4+FeCl2
0
Should not have chosen
NaCl+AgNO3→NaNO3+AgCl
Incorrect
0
Should not have chosen
Should not have chosen