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Maharashtra HSC Chemistry Answer Key 2025 (20 Feb) - Download All Sets PDF
Edited By Garima Sihag | Updated on Feb 22, 2025 01:23 PM IST | #Maharashtra HSC Board
The Maharashtra 12th Chemistry exam took place on February 20, 2025, from 11 am to 2 pm. Many coaching centres and institutes will now publish unofficial Maharashtra HSC Chemistry answer keys shortly. Question 1 consists of ten 1-mark multiple-choice questions, and Question 2 contains eight 1-mark very short answer questions. We will provide answer keys for the MCQs and very short answers below for the students
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Unofficial Maharashtra HSC Chemistry Answer Key 2025
Maharashtra HSC chemistry answers for Section A (Questions 1 and 2), include multiple-choice questions and very short answer questions. Students can compare these Maharashtra Board HSC answers with their responses to estimate their potential scores.
Maha 12th chemistry answers for Sections B, C, and D are not included here, as these sections contain descriptive questions that will be evaluated by the board based on content and presentation.
Maharashtra HSC Chemistry Paper Review 2025
- Students can check Maha HSC 2025 Chemistry paper review and analysis by clicking on the link provided.
Maharashtra 12th Question 1 Section A: Multiple-Choice Questions
Question 1 (Sub Question Number) | Answers |
|---|---|
(i). Schottky defect is NOT observed in | (d) NiO |
(ii). The freezing point of 0.1m aqueous solution of urea, if Kf for water is 1.86 K kg mol−1^is: | d) -0.186°C |
(iii). Ozone layer is depleted by | a) NO |
(iv). When excess of AgNO₃ is added to a complex, one mole of AgCl is precipitated. The formula of the complex is | a) [CoCl₂ (NH₃)₄]Cl |
(v). The value of Δng for the oxidation of 4 moles of sulphur dioxide to sulphur trioxide is: | a) -2 |
(vi) One-dimensional nanostructure amongst the following is: | d) Nanorods |
(vii). Which formula co-relates degree of dissociation and concentration of electrolyte | B) α = √(Ka/b) |
(viii). The highest acidic compound among the following is | c) |
(ix). The formula used to calculate molar conductivity of an electrolyte is: | c) 1000k / c |
(x). Which of the following is a secondary amine? | c) Diphenylamine |
Maharashtra HSC Question 2 Section A: Very Short Answer Questions
Sub Question Number | Answers |
(i). Write the structural formula of N, N-dimethylethanamine. | CH3-CH2-N(CH3)2 |
(ii). Write the reagents used for the reduction of carbonyl group in Clemmensen’s reduction. | The reagents used in Clemmensen reduction are:
Zn-Hg and HCl |
(iii). Write the IUPAC name of isoprene. | The IUPAC name of isoprene is 2-methyl-1,3-butadiene |
(iv). The rate law equation for A → Product is rate = k[A]ˣ. What is the effect of an increase in the concentration of ‘A’ on the rate of reaction, if x < 0? | Decrease in concentration of ‘A’ increases the rate |
(v). What is the molality of an aqueous solution of KBr having freezing point –3.72°C? (Kf for water is 1.86 K kg mol⁻¹) | 2 mol/kg |
(vi). Write the balanced chemical equation, when excess of ammonia is treated with chlorine | 8NH3+3Cl2→6NH4Cl+N28NH_3 + 3Cl_2 → 6NH_4Cl + N_28NH3+3Cl2→6NH4Cl+N2 |
(vii). Write the number of donor atoms present in EDTA, during the formation of a complex. | 6 donor atoms (4 Oxygen, 2 Nitrogen) |
(viii). Write the names of the metal elements in brass alloy. | Copper (Cu) and Zinc (Zn) |
What types of Questions Asked in Maharashtra HSC Chemistry Exam?
The Maharashtra HSC Chemistry exam includes a variety of question types designed to assess different levels of understanding. Such as multiple choice questions (MCQs), very short answer questions (VSAQs), short answer questions (SAQs), long answer questions (LAQs), numerical problems, and diagram-based questions. In HSC Maharashtra Board Chemistry exam log tables are permitted but calculators are prohibited. The Maha 12th question paper is structured into four sections which are given below:
Section | Question Type | Number of Questions | Questions That Need to be Attempted | Marks per Question |
A | MCQs and very short answer-type questions | 2 questions with 18 subparts | 18 | 1 x 18 = 18 |
B | Short answer-type questions | 12 | 8 | 2 x 8 = 16 |
C | Short answer-type questions | 12 | 8 | 3 x 8 = 24 |
D | Long answer-type questions | 5 | 3 | 4 x 3 = 12 |
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Questions related to Maharashtra HSC Board
Have a question related to Maharashtra HSC Board ?
Yes, you can repeat Class 12th from the Maharashtra Board, even if you passed in 2022 and took an improvement exam. You need to re-enrol in a school affiliated with the Maharashtra Board , submit the necessary documents, and pay the required fees. The student may also contact the Maharashtra State Board of Secondary and Higher Secondary Education for specific guidelines and procedures for repeating Class 12.
Manasvini Gupta 23 July,2024
If you want to repeat the MSBSHSE HSC exam in 2024 , you will have to contact the Maharashtra State Board about your missing MSBSHSE improvement result . You can visit their official website or reach out to your previous school for guidance. You can register as a private candidate to apply, however, it is advisable to get the latest information from the MSBSHSE board directly.
Mallika Thaledder 23 July,2024
The Maharashtra HSC Class 12 Arts syllabus for 2024-25 includes subjects like History, Geography, Political Science, Economics, Sociology, Psychology, Philosophy, and languages. Each subject's exam totals 100 marks, with 80 marks for theory and 20 for practicals or projects. To pass, students must score at least 35% in each subject. For detailed, chapter-wise marking schemes, students should refer to the official Maharashtra State Board website or consult their school's academic resources.
For more details you can visit the link given below
https://school.careers360.com/boards/msbshse/maharashtra-hsc-syllabus
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