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HSC Chemistry Answer Key 2025 Maharashtra: Set-wise unofficial keys PDF downloadHSC Chemistry Answer Key 2025 Maharashtra : On February 20, from 11 AM to 2 PM, the Maharashtra State Board of Secondary and Higher Secondary (MSBSHSE) will be conducting the HSC Chemistry 2025 exam. Following receipt of the candidates' question paper, the answer key is now accessible online. Candidates can evaluate their performance in the paper's objective portion by consulting the answer key. All ten multiple-choice questions and eight very short answer questions under Section A will have their answers supplied. Because these questions are opinion-based, please be aware that subjective responses will not be offered for Sections B: Two-Mark Short Answer Type Questions, Section C: Three-Mark Short Answer Type Questions, and Section D: Four-Mark Long Answer Type Questions.
Also Read | HSC Maharashtra Result Expected Release Date 2025
Maharashtra HSC Chemistry Answer Key 2025
The unofficial answer key has been made available so that students can evaluate their performance, spot errors, and be ready for future tests. The table below contains the unofficial Maharashtra HSC Chemistry 2025 answer key for candidates.
Section A: One-Word Questions (QP Code: J-302)
| Q.No. | Question (QP Code: J-302) | Answers |
|---|---|---|
| 1 | Schottky defect is NOT observed in _____. | NiO |
| 2 | The freezing point of 0.1 m aqueous solution of Urea, if K f for water is 1.86 K kg mol -1 is _____. | -0.186 O C |
| 3 | Ozone layer is depleted by ____. | NO 2 |
| 4 | When excess of AgNO 3 is added to a complex, one mole of AgCl is precipitated. The formula of complex is ____. | [CoCl 2 (NH 3 ) 3 ] Cl |
| 5 | The value of Δn g for the oxidation of 4 mole of sulphur dioxide to sulphur trioxide is ____. | -2 |
| 6 | One dimensional nanostructure amongst the following is ____. | Nanorods |
| 7 | Which formula correlates degree of dissociation and concentration of electrolytes? | α = √Ka/c |
| 8 | The highest acidic compound among the following is ____. |  |
| 9 | The formula used to calculate molar conductivity of an electrolyte is _____. | Δ = 1000k/c |
| 10 | Which of the following is a secondary amine? | Diphenylamine |
| 11 | Write the structural formula of N,N-dimethylethanamine. |  |
Maharashtra HSC Subject-Wise Answer Key 2025 |
| Subject Name | Answer Key Links |
|---|---|
| English | HSC English Answer Key 2025 Maharashtra |
| OCM | HSC OCM Answer Key 2025 Maharashtra |
| Physics | HSC Physics Answer Key 2025 Maharashtra |
| Secretarial Practice | HSC Secretarial Practice Answer Key 2025 Maharashtra |
| Mathematics | HSC Mathematics Answer Key 2025 Maharashtra |
| Biology | HSC Biology Answer Key 2025 Maharashtra |
| Economics | HSC Economics Answer Key 2025 Maharashtra |
| CS 1 | HSC CS 1 Answer Key 2025 Maharashtra |
| CS 2 | HSC CS 2 Answer Key 2025 Maharashtra |
| Geography | HSC Geography Answer Key 2025 Maharashtra |
| History | HSC History Answer Key 2025 Maharashtra |
For real-time updates, direct PDF download links, and further details regarding the Maharashtra HSC Chemistry Answer Key 2025, students are advised to stay tuned to official notifications and CollegeDekho.
HSC Chemistry Answer Key 2025 Maharashtra Live Updates
07 30 PM IST - 20 Feb'25
HSC Chemistry Answer Key 2025 Live: Questions with Solutions
Aspirants can check the questions with solutions below as per the Maharashtra HSC Chemistry Answer Key 2025.
Question: Write the structural formula of N,N-dimethylethanamine.
Answer:
07 00 PM IST - 20 Feb'25
Maharashtra HSC Chemistry Unofficial Answer Key 2025: Questions with Solutions
Aspirants can check the questions with solutions below as per the Maharashtra HSC Chemistry Answer Key 2025.
Question: The formula used to calculate the molar conductivity of an electrolyte is _____.
Answer: Δ = 1000k/c
06 30 PM IST - 20 Feb'25
Maharashtra Class 12 Chemistry Unofficial Answer Key 2025: Questions with Solutions
Aspirants can check the questions with solutions below as per the Maharashtra HSC Chemistry Answer Key 2025.
Question: One-dimensional nanostructure amongst the following is ____.
Answer: Nanorods
06 05 PM IST - 20 Feb'25
HSC Chemistry Answer Key 2025 Maharashtra Live: Questions with Solutions
Aspirants can check the questions with solutions below as per the Maharashtra HSC Chemistry Answer Key 2025.
Question: The value of Δng for the oxidation of 4 mole of sulphur dioxide to sulphur trioxide is ____.
Answer: -2
05 45 PM IST - 20 Feb'25
Maharashtra Class 12 Chemistry Answer Key 2025: Questions with Solutions
Aspirants can check the questions with solutions below as per the Maharashtra HSC Chemistry Answer Key 2025.
Question: When an excess of AgNO3 is added to a complex, one mole of AgCl is precipitated. The formula of complex is ____.
Answer: [CoCl2 (NH3)3] Cl
05 20 PM IST - 20 Feb'25
HSC Chemistry Answer Key 2025: Questions with Solutions
Aspirants can check the questions with solutions below as per the Maharashtra HSC Chemistry Answer Key 2025.
Question: Ozone layer is depleted by ____.
Answer: NO2
05 00 PM IST - 20 Feb'25
HSC Chemistry Answer Key 2025 Maharashtra Live: Questions with Solutions
Aspirants can check the questions with solutions below as per the Maharashtra HSC Chemistry Answer Key 2025.
Question: The freezing point of 0.1 m aqueous solution of Urea, if Kf for water is 1.86 K kg mol-1 is _____.
Answer: -0.186OC
04 35 PM IST - 20 Feb'25
Maharashtra HSC Chemistry Answer Key 2025 Live: Questions with Solutions
Aspirants can check the questions with solutions below as per the Maharashtra HSC Chemistry Answer Key 2025.
Question: Schottky defect is NOT observed in _____.
Answer: NiO
04 15 PM IST - 20 Feb'25
HSC Chemistry Answer Key 2025 Maharashtra Live: How soon will Solutions be Available?
Unofficial solutions will be available within a few hours of the exam on various educational websites.
04 00 PM IST - 20 Feb'25
Maharashtra HSC Chemsitry 2025: Answer Key by Coaching Institutes
As soon as the exam concludes, the unofficial Maharashtra HSC Class 12 Chemistry Answer Key 2025 will be provided by the different coaching institutes and the same will be provided below on this page.
03 45 PM IST - 20 Feb'25
HSC Chemistry Maharashtra Answer Key 2025: Negative Marking
There is no negative marking in Maharashtra HSC Class 12 board exams.
03 30 PM IST - 20 Feb'25
When will the Maharashtra HSC Chemistry Answer Key 2025 be released?
The unofficial answer key is expected to be available on February 20, 2025, a few hours after the exam. The official answer key, if released, will be updated later.
03 15 PM IST - 20 Feb'25
When will the HSC Chemistry Answer Key 2025 Maharashtra be released?
The unofficial answer key is expected to be available on February 20, 2025, a few hours after the exam. The official answer key, if released, will be updated later.
03 00 PM IST - 20 Feb'25
Maharashtra HSC Chemistry 2025 Answer Key: Will unofficial answer key be accurate?
The unofficial answer key is prepared by subject experts and teachers. While it is generally accurate, some minor discrepancies may occur.
02 45 PM IST - 20 Feb'25
Which section will be difficult for HSC Chemistry Maharashtra 2025?
It is most likely that, the organic chemistry section will be tricky compared to the other sections for HSC Chemistry Maharashtra 2025.
02 30 PM IST - 20 Feb'25
What was the HSC Chemistry 2025 Maharashtra Difficulty level?
As per the first responses received from the students, the question paper was at a moderate level of difficulty and most students expressed satisfaction.
02 15 PM IST - 20 Feb'25
When will HSC Chemistry Answer Key 2025 Maharashtra be released?
The HSC Chemistry Answer Key 2025 Maharashtra will be released anytime soon now as the exam has ended. As soon as the question paper is available to our subject experts, the answer key will be updated here.
02 00 PM IST - 20 Feb'25
HSC Chemistry Maharashtra 2025 Exam Ends!
The exam for HSC Chemistry Maharashtra 2025 ends now! Students have started to depart from the exam room after submission of their answer sheets.
01 40 PM IST - 20 Feb'25
HSC Chemistry Maharashtra 2025: Submission of Answer Sheets
The last 20 minutes are left for the completion of the HSC Chemistry Maharashtra 2025 exam. The answer key collection will begin in 5 minutes, which is 15 minutes before the exam time ends. Students who have completed their exams shall submit their answer sheets. However, they will not be allowed to leave the exam hall until the exam time ends.
01 20 PM IST - 20 Feb'25
Can you object to HSC Chemistry Answer Key 2025 Maharashtra?
As the official answer key will not be released, students will not be able to object to the answer key. However, after the results are released, and students are not satisfied with their results, they may apply for re-evaluation or re-checking of marks.
01 00 PM IST - 20 Feb'25
Last Hour for HSC Chemistry Maharashtra 2025
Only one hour is left for the HSC Chemistry Maharashtra 2025 exam to end. Students should pace up their speed to start completing their answers. It is best to attempt maximum questions instead of focusing on the length of their answers. The HSC Chemistry Answer Key 2025 Maharashtra will be provided here soon for reference.
12 40 PM IST - 20 Feb'25
When will HSC Maharashtra 2025 Result be released?
The HSC Maharashtra Results 2025 will be released within 45 to 60 days from the last date of the exam. The results will be released online for all students.
12 20 PM IST - 20 Feb'25
Will Maharashtra board release Official HSC Chemistry Answer Key 2025 Maharashtra?
The Maharashtra board will not be releasing the HSC Chemistry Answer Key 2025 Maharashtra, however, students may refer to the unofficial answer key provided here after the exam ends.
12 00 PM IST - 20 Feb'25
Will Subjective-Type Questions HSC Chemistry Answer Key 2025 Maharashtra be provided?
No, the answer key to the subjective-type questions will not be available. Hence, for Sections B, C, and D, students will have to refer to their textbooks, notes, or teachers or seniors for HSC Chemistry Answer Key Maharashtra 2025.
11 40 AM IST - 20 Feb'25
HSC Chemistry Answer Key 2025 Maharashtra for Objective Question Only!
The answer key will be available for all the objective-type questions for HSC Chemistry Maharashtra 2025 here. Answer to all the questions from Section A for all sets will be available here.
11 20 AM IST - 20 Feb'25
Students begin to write HSC Chemistry Maharashtra 2025
The time to write answers has started for all students appearing for the exam. Now students seated at the exam hall will only be allowed to leave after the HSC Chemistry Maharashtra 2025 exam time ends. Students who have not yet entered the exam hall will not be allowed any further due to late arrival.
11 00 AM IST - 20 Feb'25
HSC Chemistry Maharashtra 2025 exam begins!
The question papers have been distributed to the students to attempt the question paper. Soon after the exam ends, the HSC Chemistry Answer Key 2025 Maharashtra will be available here.
10 40 AM IST - 20 Feb'25
HSC Chemistry Maharashtra 2025: Revision Questions (6)
Last-minute quick revision questions for HSC Chemistry Maharashtra 2025:
- Nanoscience
- Chemical reaction for the preparation of polyacrylonitrile
- Preparation of potassium dichromate from chromite ore
10 20 AM IST - 20 Feb'25
HSC Chemistry Maharashtra 2025: Revision Questions (5)
Check some of the revision questions for HSC Chemistry Maharashtra 2025 here before the exam begins:
- Nature of Amines
- Interhalogen Compounds
- Atomic Numbers of Transorium elements
- Net cell reaction during discharging of lead accumulator
- Structure of peroxymonosulphuric acid
10 00 AM IST - 20 Feb'25
HSC Chemistry Maharashtra 2025: Things to Check before entering Exam Hall
Here are some of the things that students should check before entering the exam hall for the HSC Chemistry Maharashtra 2025:
- Check pockets for any papers or notes to avoid disqualification.
- Do not write anything on the hall ticket.
- Make sure not to make efforts to cheat so that they are not barred from the examination.
09 45 AM IST - 20 Feb'25
Last-Minute Checklist for HSC Chemistry Maharashtra 2025
Students appearing for the HSC Chemistry Maharashtra 2025 shall check the list of things mentioned here before entering the examination hall:
- Hall Ticket
- Pen and Pencil
- ID Card
09 30 AM IST - 20 Feb'25
HSC Chemistry Maharashtra 2025: Revision Questions (4)
Here are some revision questions for HSC Chemistry Maharashtra 2025 for last-minute preparations:
- Osmotic Pressure
- Wolf-Kishner Reduction reaction
- Electrochemical series
- Acids and Bases according to Bronsted-Lowry theory
- Isobaric and Adiabatic processes
09 15 AM IST - 20 Feb'25
HSC Chemistry Maharashtra 2025: Revision Questions (3)
Here are some revision questions for HSC Chemistry Maharashtra 2025 for last-minute preparations:
- SI Unit of molar conductivity
- Conditions of reverse osmosis
- What is Nano material?
- Classification of proteins
- Define Lanthanide Contraction
09 00 AM IST - 20 Feb'25
Which section will be difficult for HSC Chemistry Maharashtra 2025?
It is most likely that, the organic chemistry section will be tricky compared to the other sections for HSC Chemistry Maharashtra 2025.
08 45 AM IST - 20 Feb'25
Expected Level of Difficulty for Maharashtra HSC Chemistry 2025
Following the difficulty level trends from the past years' the expected level of difficulty of the HSC Chemistry Maharashtra 2025 exam is moderate. Although, the question paper may be expected to be slightly lengthy, however, it should be mostly easy to moderate in terms of difficulty.
08 30 AM IST - 20 Feb'25
HSC Chemistry Maharashtra 2025: Revision Questions (2)
Some expected questions for MCQs for HSC Chemistry Maharashtra 2025 are provided here for revisions:
- The number of particles present in Face Centred Cubic Unit Cell is/are______.
- The product of hydrolysis of propyne in the presence of 1%HgSO4 and 40% of H2SO4 is_______.
- If unit of rate constant is mol dm-3s-1, the order of reaction would be______.
08 15 AM IST - 20 Feb'25
HSC Chemistry Maharashtra 2025: Revision Questions (1)
For those appearing for the HSC Chemistry Maharashtra 2025 exams today, here are some revision questions based on the previous year's question paper for MCQs:
- The pH of 0.001M HCI solution is _________.
- The correct structure of a complex having IUPAC name sodium hexanitrocobaltate (III) is________.
- The monomer used in the preparation of Teflon is _______.
08 00 AM IST - 20 Feb'25
Maharashtra HSC Chemistry 2025 Exam Timings
The Maharashtra HSC Chemistry 2025 exam will be conducted today, February 20, in the morning shift from 11 AM to 2 PM. Those appearing for the HSC chemistry paper are advised to reach the exam centre ahead of the exam time to avoid late arrival.
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