Friends, if you are a student of Bihar Board and are giving the 12th exam in 2021 . BSEB 12th Chemistry objective, class 12th exam 2021, board offical answer key, (12th Chemistry objective answer key)
You have recently given your exam and you want to see that how many of the chemistry objective questions you answered correctly and how many are wrong then you are at the right place.
Today I will give you Bihar Board Class 12th 2021 Chemistry objective Answer Key. I am going to give BSEB 12th Chemistry objective answer sheet .
WHAT'S IN THIS POST ?
Bihar Board Class 12th 2021 Chemistry objective Answer Key. BSEB 12th Chemistry objective answer sheet.
Bihar Board is going to start the 12th examination for 2021. This time around 15.5 lakh students are going to attend the Bihar Board 2021 and more than 1400+ examination centers have been formed.
In such a situation, when students come to give their exams. So it keeps on their mind that in which chemistry objective question they have chosen how right and how wrong.
In such a situation, we are going to give you the Bihar Board 12th Chemistry objective answer key , which will remove this dilemma of your mind.
Bihar Board 12th Chemistry objective Answer, class 12th exam 2021
Here we will provide you the Bihar Board 12th Chemistry objective answer key in every pattern.
As soon as you come to the exam, what is your Chemistry objective question set code (eg -set A to j) , there are different Bihar board 12th Chemistry objective answer key for different Chemistry objective question set code which we will give you provide through the website.
Note: – Here, Bihar Board 12th Chemistry objective answer key PDF will be published only when all the students come out of the examination hall successfully by giving their exams.
Bihar Board 12th Chemistry solution 2021
As you know, the Bihar Board has made 50% Subjective and 50% Chemistry objective questions in this time exam, it is difficult to answer the Subjective question online. But the answer to Chemistry objective question can be reached to you through online.
Through this article, we will give you 12th Board Chemistry objective Solution. BSEB class 12th board examination Chemistry objective answer key.
BSEB 12th Chemistry objective answer key 2021, class 12th exam 2021
Candidates of BSEB 12TH can get the answer to their Chemistry objective question here below. (2021 PDF of BSEB 12th Chemistry objective answer key)
- ✅ board name : Bihar School Examination Board, Patna
- ✅ subject: – Bihar Board 12th Chemistry answer key
- ✅ class : – BSEB 12th
- ✅ exam date: – February 2021
- ✅ SHIFT: – All shift Bihar board Chemistry objective answer key published
- ✅ Status: – All subject Bihar board answer key available on exam date (Bihar board class 12th exam 2021 chemistry answer key | 12th chemistry objective answer key | Bihar board chemistry objective answer set 2021)
Click Here To Download Bihar Board 12th Chemistry answer key available in the given box
Subject Name | Answer Key |
Bihar Board Offical Answer Key of Physics- All Sets | Download Now |
Bihar Board Offical Answer Key of Chemistry- All Sets | Download Now |
Bihar Board Offical Answer Key of Biology- All Sets | Download Now |
Bihar Board Offical Answer Key of Maths- All Sets | Download Now |
Bihar Board Offical Answer Key of Science I.Sc NRB Hindi- All Sets | Download Now |
Bihar Board Offical Answer Key of Science I.Sc MB English- All Sets | Download Now |
Bihar Board Offical Answer Key of Science I.Sc English 100 Marks- All Sets | Download Now |
Bihar Board Offical Answer Key of Science I.Sc Hindi 100 Marks- All Sets | Download Now |
Bihar Board Offical Answer Key of Political Science- All Sets | Download Now |
Bihar Board Offical Answer Key of Geography- All Sets | Download Now |
Bihar Board Offical Answer Key of Economics- All Sets | Download Now |
Bihar Board Offical Answer Key of Sociology- All Sets | Download Now |
Bihar Board Offical Answer Key of Psychology- All Sets | Download Now |
Bihar Board Offical Answer Key of Philosophy- All Sets | Download Now |
Bihar Board Offical Answer Key of Home Science- All Sets | Download Now |
Bihar Board Offical Answer Key of Arts NRB Hindi- All Sets | Download Now |
Bihar Board Offical Answer Key of Arts MB English- All Sets | Download Now |
Bihar Board Offical Answer Key of Arts English 100 Marks- All Sets | Download Now |
Bihar Board Offical Answer Key of Arts Hindi 100 Marks- All Sets | Download Now |
Bihar Board Offical Answer Key of Arts Music 100 Marks- All Sets | Download Now |
Attention: – Bihar Board 12th Chemistry answer key 2021, Bihar Board 12th Chemistry objective answer sheet, Bihar Board 12th Chemistry objective answer pdf, Bihar Board 12th Chemistry objective answer sheet math, Bihar Board 12th Chemistry objective answer sheet Chemistry, Bihar Board 12th Chemistry objective answer sheet 2021, Bihar board chemistry objective answer 2021, Bihar board chemistry objective answer key 2021 ,
Keep in mind: – Bihar Board 12th exam 2021 all subject answer key will be published only after the exams are done on this website. Wait until you exit the exam hall.
Bihar board class 12th exam 2021 Physics answer key | 12th physics objective answer key | Bihar board physics objective answer set 2021
Bihar Board 12th Biology Objective, Anshwer Key 2021
Bihar Board 10th Admit Card 2021
Class 12th Exam Pattern (Arts, Science, Commerce) | Bihar Board 12th Syllabus 2021 PDF
Bihar Board 12th Biology Chemistry objective, Answer Key 2021
Bihar board class 12th exam 2021 all subject objective answer key | 12th objective answer key | Bihar board objective answer set 2021
Bihar Board Intermediate Answer key 2021
We will publish Bihar Board Intermediate Answer Key 2021 Chemistry, chemistry, biology, math, Hindi, English, political science, geography economics, sociology, physiology, psychology, home science etc. through our website sarkariyojnaa.com soon after the exam. .
I will give you below bihar board 12th MCQ Chemistry objective answer key wise from where you will be able to see bihar board 12th MCQ Chemistry objective answer key according to your subject and your code.
Bihar board official answer key 2021 subject wise.class 12th exam 2021
Bihar Board 12th Answer key 2021 are given here for all the subjects, which you can download by looking at the link given below.
SN | Set / Code | Chemistry objective Answer | Subjective Answer |
1. | Code A | Download | Download |
2. | Code B | Download | Download |
3. | Code C | Download | Download |
4. | Code D | Download | Download |
5. | Code E | Download | Download |
6. | Code F | Download | Download |
7. | Code G | Download | Download |
8. | Code H | Download | Download |
9. | Code I | Download | Download |
10. | Code J | Download | Download |
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- ✅ Bihar board physiology answer key 2021
- ✅ Bihar board home science answer key 2021
- ✅ Bihar board arts nrb hindi answer key 2021
- ✅ Bihar board arts MB English answer key 2021
- ✅ Bihar board arts English 100 marks answer key 2021
- ✅ Bihar board answer key arts hindi 100 marks answer key 2021
- ✅ Bihar board arts music 100 marks answer key 2021
HOW TO DOWNLOAD BIHAR BOARD 12TH MCQ Chemistry objective ANSWER KEY 2021
✅ First of all visit the official website of Bihar Board .
✅ Click on the option of circular Latest circular .
✅ Click on Bihar Board Intermediate Annual Exam Answer Key 2021 option
✅ A new page will open in front of you.
- ✅ Here you enter your Roll Number and Role Code .
- ✅ Select the subject of which you want to download the Chemistry objective answer key .
- ✅ As an example: – Chemistry
- ✅ As soon as you select the subject, Bihar Board of Chemistry Answer key opens in front of you.
Note: – Bihar Board is going to provide this option to its students in this exam that students can check for themselves how many chemistry objective questions they answered correctly and how many were wrong.
Note: – We have given you a lot of information related to Bihar Board 12th All Subject Answer Key 2021 above.
We have also told you to download Bihar Board Chemistry answer key, maths answer key, english answer key, english answer key, social science answer key etc.
Note:- On the official website of the government scheme, the bill link will be given to check the Bihar Board Result . As soon as the result is published, you will be able to see it from here.
Thanks for reading this article till the end, do like and share it for more students.
Bihar Board Class 12th Chemistry Objective Answer Set 2021, intermediate model paper 2021, रासायन विज्ञान कक्षा -12 OBJECTIVE All Question, Bihar Board Class 12th Exam 2021 Chemistry Answer Key
Class 12th Chemistry Objective , intermediate model paper, Chemistry Objective Answer Set, Bihar Board Class 12th
BSEB 12TH MODEL OBJECTIVE ALL QUESTION AND ANSWER SET |
|
12TH MODEL SET PAPER 2021 | CLICK HERE |
10TH MODEL SET PAPER 2021 | CLICK HERE |
1 . The number of particles in a simple cubic per unit cell is :
One
two
three
four
ANSWER:-One |
2. The number of particles in a face-centered cubic (fcc) per unit cell is
one
two
three
Four
ANSWER:-Four |
3. The number of particles in a body-centered cubic (bcc) per unit cell IS :
one
Two
Three
Four
ANSWER:-Two |
4. Graphite is an example of
- Ionic Solid
- Molecular Solid
- Covalent Solid
- Metallic Solid
ANSWER:-Covalent Solid |
5. Possible Co-ordination number of Cation of tetrahedral structural Arrangement is:
- 1
- 2
- 3
- 4
ANSWER:-4 |
6. The molecularity of a reaction cannot be :
- Zero
- One
- Two
- Three
ANSWER:-Zero |
7. Cuprite is an ore of :
- Zn
- Cu
- Ag
- Fe
ANSWER:-Cu |
8. Calamine is an ore of :
- Cu
- Fe
- Al
- Zn
ANSWER:-Zn |
9. Bauxite is an ore of :
- Al
- Fe
- Cu
- Zn
ANSWER:-Al |
12. Sulphide ores are generally concentrated by :
- Gravity separation method
- Magnetic separation method
- Froth floatation process
- None of these
ANSWER:- Froth floatation process |
11. Haematite is an ore of :
- Al
- Fe
- Cu
- Zn
ANSWER:-Fe |
12. Unit Of rate constant for Second-order reaction, K is :
- s⁻¹
- mol⁻¹ L s⁻¹
- mol⁻² L² s⁻¹
- mol L⁻¹ s⁻¹
ANSWER:-mol⁻¹ L s⁻¹ |
13. Unit Of rate constant for First-order reaction, K is :
- s⁻¹
- mol⁻¹ L s⁻¹
- mol⁻² L² s⁻¹
- mol L⁻¹ s⁻1
ANSWER:-s⁻¹ |
14. Unit Of rate constant for third-order reaction, K is :
- s⁻¹
- mol⁻¹ L s⁻¹
- mol⁻² L² s⁻¹
- mol L⁻¹ s⁻¹
ANSWER:-mol⁻² L² s⁻¹ |
15. When nitroethane is treated with Li Al H4 the product formed is :
- Methyl amine
- Ethyl amine
- Ethane
- Acetamide
ANSWER:- Ethyl amine |
16. Aldehyde and ketone can be distinguished by :
- Tollen’s reagent
- LiAIH4
- HCN
- None of these
ANSWER:- Tollen’s reagent |
17. Among the halogen acids the one which is weakest is :
- HBr
- HI
- HF
- HCI
ANSWER:-HF |
18. Which of the following is artificial sweetening agent :
- Aspartame
- Seconal
- Aspirin
- Sodium benzoate
ANSWER:-Aspartame |
19. Acid chloride is reduced to aldehyde by :
- wurtz reaction
- Fittig reaciton
- Rosenmund reduction
- None of these
ANSWER:-Rosenmund reduction |
20. Tollen’s reagent is:
- Mixture of CuSO4 and NaOH
- A solution of copper sulphate, sodium citrate and sodium carbonate
- Ammonical silver nitrate solution
- None of these
ANSWER:-A solution of copper sulphate, sodium citrate and sodium carbonate |
21. Phenol is less acidic than:
- Ehanol
- Methanol
- p-Nitrophenol
- p- methylphenol
ANSWER:- p-Nitrophenol |
22. The hybridization of Xe F2 Is :
- sp³d²
- sp³d
- sp³
- sp³d³
ANSWER:-sp³d |
23. The hybridisation of Xe F4 Is :
sp³d²
s³d
sp³
sp³d³
ANSWER:-. sp³d² |
24. Which one of the following is not a protein:
- Nail
- DNA
- Hair
- Wool
ANSWER:- DNA |
25. Enzymes are:
- Carbohydrates
- Vitamins
- Proteins
- None of these
ANSWER:- Proteins |
26. Vitamin A is Called
- Retinol
- Ascorbic acid
- calciferol
- Tocoferol
ANSWER:- Retinol |
27. which of the Following is not found in RNA
- Uracil
- Adenine
- Ammonium Acetate
- Guanineetate
ANSWER:-Ammonium Ac |
28. PVC is a
- Addition polymer
- Condensation polymer
- copolymer
- None of these
ANSWER:-Addition polymer |
29. Phenol is used as :
- Antiseptic
- Disinfectants
- Both a & b
- None
ANSWER:-Both a & b |
30. Antipyretics is a :
- Quinone
- Paracetamol
- Luminal
- None
ANSWER:- Paracetamol |
Bihar Board 12th Chemistry Objective Answer Key 2021
In Bihar Board Intermediate and intermediate Exams, the Bihar Board has launched a new objective type scheme. Now, for each subject, it conducts both an Objective and a Subjective Paper. It currently has a Chemistry Objective Paper from the Bihar Board in which all Bihar Chemistry Objective Answer Key 2021 will be requested. These BSEB Inter Chemistry Exam 2021 Questions were asked from in between the Chapters. Let’s check the Bihar Board 12th Chemistry Objective Answer 2021 February. Also, we have given the link of Bihar Board Chemistry Answer Key 2021 Pdf.
बिहार बोर्ड केमिस्ट्री का सही अंसार सीट आपको यहाँ से मिलेगा 04/02/2021 को तो हमारे टीम के दोआरा आपको सबसे पहले देने का कोर्सिस रहेगा तो आपको बस एक कम करना लेफ्ट साईड में जो घंटी दिख रहा है उससे Allow कर लीजिये ताकि कल आने वाला सबसे पहले आपको मिले धन्वाद आपका दिन शुभ आप अच्छे से परीक्षा दे अच्छे नंबर से पास हो हम भगबान से आपके लिए दुआ मांगेंगे !!
Bihar Board Chemistry Objective Answer Key 2021
The examination is carried in the objective type so that students read each and every detail in chapters. Objective Type Papers contribute to gaining good subject knowledge. The examination is now closed. Check below BSEB Chemistry Objective Answer 2021. And for Bihar Board Chemistry Objective, you all have a single query Answer Key 2021 i.e. Type of objective paper. Exam participants can cross-check their answers here with the Bihar Board Chemistry Answer Key 2021 exam date Feb 2021.
Class 12th Chemistry Objective, Class 12th Chemistry Objective , Class 12th Chemistry Objective
Bihar Board 12th Chemistry Answer Key 2021 Page 1:
Bihar Board Answer Key Page 2:
BSEB Chemistry Answer Key 2021
Chemistry is a good subject for good mark scoring. Whatever your BSEB Exam performance will be, you don’t have to wait for the result now. Check the answer key for your Bihar board here. In Bihar Board Answer Key 2021, all questions are answered sequentially. Questions based on multiple choices were asked in various sets of papers. Here you will get all set wise Bihar SEB 12th Chemistry MCQ Answer Key 2021.
BSEB Exam Key Page 3:
♠ Bihar Board official answer key will be released within this week.
♠ Candidates Make Sure to be in touch with the Official Website.
♠ Bihar Board Chemistry Answer Key is Uploaded in the Image Here.
♠ If Students have any doubt over BSEB Intermediate Chemistry Answer 2021 for 1 to 35 Questions they can mention it in the comment box.
Answer Page 4:
Question Paper Key Page 5:
Exam Key Page 6:
Answer Sheet Page 7:
Bihar Board 12th Chemistry Objective Answer 2021 Question Paper
Answer Page 8:
Answer Key Page 9:
नोट:- बिहार बोर्ड इंटरमीडिएट के केमिस्ट्री आंसर कुंजी में किसी बे प्रकार की त्रुटि या बदलाव से सम्बंधित जानकारी आप हमसे कमेंट बॉक्स के माध्यम से साझा कर सकते हैं।
How to Download Bihar Board 12th Chemistry Answer Key 2021:
Open the Official Website of BSEB i.e. www.biharboard.ac.in.
Check Bihar Board Chemistry Objective Answer Key 2021 Pdf link.
Choose Your Paper Code.
Click on the Link and Pdf will Start Downloading Itself.
Check Your Answers for Each Question.
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Posted by ROHIT KUMAR
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IMPORTEND POST LINK | ||
1. | 📔 Bihar board 12th result 2021 | BSEB Result 2021 l check high School result 2021 । Get intermediate result 2021 | |
2. | ||
3. | 📔CBSE Syllabus for Class 12 for Academic Year 2021-2021 || allsarkariexams |
➡ First of all visit the official website of Bihar Board .
➡ Click on the option of circular Latest circular .
➡ Click on Bihar Board Intermediate Annual Exam Answer Key 2020 option
➡ A new page will open in front of you.
➡ Here you enter your Roll Number and Role Code .
➡ Select the subject of which you want to download the Chemistry objective answer key .
➡ As an example: – Chemistry
➡ As soon as you select the subject, Bihar Board of Chemistry Answer key opens in front of you.