NIOS CLASS 12TH Chemistry (313) SOLVED TMA In English Medium PDF SESSION 2025-26

Boost Your Marks with High-Quality, Ready-Made TMA Answers

Applicable for:

March/April & October/November 2026 Examinations

• Get expert-prepared and error-free solved Tutor Marked Assignments (TMA) 

• Score maximum marks with well-structured answers by NIOS experts

• Includes project work to make your submission 100% complete

Why Choose Our NIOS Solved TMA?

• Best answer format prepared by experienced NIOS tutors

• Instant PDF download available right after payment

• Reliable, accurate, and to-the-point answers

• Well-presented assignments help improve scores

• Covers all six questions with one best option for each

• Compatible with smartphones for easy access anytime

Questions Covered in This PDF:

Q1. Answer any one out of the following questions in about 40-50 words.

 (a). Classify the elements of group 14, 15 and 16 into metals, non-metals and metalloids

Q2. Answer any one out of the following questions in about 40-50 words.

(a). Why does the application of alum to a fresh cut wound help stop bleeding?

Q3. Answer any one out of the following questions in about 40-50 words.

(b). Give reason for the following:
(i) Neither Heat (q) nor Work (w) is a state function but q + w is a state function.
(ii) A real crystal has more entropy than an ideal crystal

Q4. Answer any one out of the following questions in about 100 -150 words.

(b) Write down the reactions involved for ozone layer depletion in the stratosphere?

Q5. Answer any one out of the following questions in about 100-150 words.

(b) Consider the compounds, BCl3, and CCl4. How will they ‘behave with water? Justify your answer. 

Q6. Prepare any one of the projects out of two given below.

(b) Mr. Naresh works in a multinational company. He is stressed due to his hectic schedule. Mr. Amit, his friend, comes to know that he has started taking sleeping pills without consulting the doctor. Mr. Amit requests ‘Naresh to stop this practice and takes him to a Yoga center. With regular Yoga sessions, Mr. Naresh is now a happy and relaxed man.’

After reading the above passage, answer the following questions:
(i) Write the values shown by Mr. Amit to Mr. Naresh in your own words.
(ii) Which class of drugs is used in sleeping pills?
(iii) Why is it not advisable to take sleeping pills without consultation with the
doctor? 

NOTE- You will get the answers of all these questions after purchasing the PDF.


Important Notes:

• Digital product (PDF) – No refund or exchange. Read details before purchasing

• For students only – Reselling is strictly prohibited

• Submission deadline:

- 31 January 2026 (For March/April Exam)

- 31 August 2026 (For October/November Exam)

How to Submit?

• Write answers on an A4-size sheet as per the PDF

• Scan and make a PDF file of your assignment

• Upload on the NIOS student portal before the deadline

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