Boost Your Marks with High-Quality Handwritten TMA Answers

 Applicable for: Oct/Nov 2025 Exams

• Expert-prepared, error-free Hindi / English Handwritten TMA

• Well-structured answers to help you score maximum marks

•  Includes complete project work for 100% submission readiness

Why Choose Our NIOS Handwritten Solved TMA?

• Expertly Written – Prepared by experienced NIOS teachers

• Neat & Clean Handwriting – Easy for examiners to read and evaluate

• A4 Size & Proper Format – Follows NIOS guidelines strictly

• High Scoring Answers – Pointwise, accurate, and within word limit

• Ready to Submit – Just Download and upload to the NIOS portal

• Hindi Medium – Answers provided in clear and accurate Hindi..

• Updated for 2024–25 – Based on the latest syllabus and TMA questions

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.

B) Write the names of the elements with atomic numbers 105, 109, 112, 115 according to IUPAC nomenclature.

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

A) How do metallic and ionic substances differ in conducting electricity? (See Lesson-3)

B) The unit cell of a metallic element is face centered cubic and the side of the cube is 540.2 pm. Calculate the density of the metal in gcm–3 if its relative atomic mass is 202.4.

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

A) For the reaction 2NO (g) +O2 (g) → 2NO2 (g) Calculate ΔrG at 700 K when enthalpy and entropy changes (ΔrH and ΔrS) are respectively – 113.0 kJ mol-1 and –145 JK-1 mol-1

B) What must be the value of (Ea) if the rate constant for a reaction is doubled when the temperature increases from 300K to 310K?

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

A) Given below is a jumbled sequence of the processes involved in a wastewater treatment plant. Arrange them in their correct sequence.

(i) Sludge is scraped out and skimmer removes floating grease.
(ii) Water is made to settle in a large tank with a slope in the middle.
(iii) Large objects like plastic bags are removed by passing wastewater through bar screens.
(iv) Sand, grit and pebbles are made to settle by decreasing the speed of incoming
wastewater.
(v) Wastewater enters a grit and sand removal tank.

B) Calculate the equilibrium constant for the reaction A(g) + B(g) ⇌ C(g) + D(g) If at equilibrium 1 mol of A, 0.5 mole of B, 3.0 mole of C and 10 mol of D are present in a one litre vessel.

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

A) Describe the underlying principle of each of the following metal refining methods:
(i) Electrolytic refining of metals
(ii) Vapour phase refining of metals

B) Describe the electrolytic refining method with labeled diagram of copper metal. Write the name of metal which is settled as anode mud.

OR
Observe the given figure and answer the following:
(i) What does this figure show?
(ii) State the functions of each part of the figure?

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

A) Complete the table given blow of the contaminant survey.

B) Chemistry is deeply embedded in our daily experiences. Answer the following questions regarding the presence and impact of chemistry in your everyday life. (See Lesson-32)

(i) How do you perceive the presence of chemistry in your daily routines or activities? Can you identify any specific examples where chemistry plays a significant role? (e.g., food preparation, cleaning products, personal care items, etc.)

(ii) Have you ever considered the chemical composition or reactions behind common household items or products you use? Please provide examples and elaborate on your understanding.

(iii) In what ways does chemistry influence the food you consume or prepare? How do chemical reactions impact cooking or food preservation techniques?

(iv) Can you identify any environmental issues related to chemical usage in everyday life? How do you think these issues could be mitigated or improved?

(v) How does chemistry contribute to advancements in medicine and healthcare? Can you discuss any specific pharmaceutical products or medical procedures that showcase the role of chemistry in improving human health?

(vi)What role does chemistry play in personal hygiene products or cosmetics that you use? Are you aware of any chemical risks associated with these products?

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

इन सभी प्रश्नो के उत्तर आपको PDF लेने के बाद मिल जायेंगे |

Most Important Facts relating to TMA:

• 20% Weightage – TMA carries 20% marks in the final result.

• Submission Dates – Last date: 31 Jan 2025 (April Exam), 31 July 2025 (October Exam).

• Prepared by Experts – Answers written by experienced NIOS teachers.

• As per NIOS Guidelines – Follows word limit, format, and latest syllabus.

•  Improves Final Marks – Well-written TMA helps you score better overall.

How to Submit?

• You will get a Handwritten PDF after Payment.

• Login Student portal on NIOS Website and Click on Upload TMA.

• Upload on the NIOS student portal before the deadline

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