NIOS Class 10 Science 212 Solved Practical File

🔬 NIOS Class 10 Science 212 Solved Practical File (Lab Manual) | Latest NIOS Science 212 Lab Manual 2025

A lot of NIOS students master the theory but fail to score well on practical tests simply because they lack the proper direction or the proper the right format. It's the NIOS Class 10 Science 212 Solved Practical File (Lab Manual) by Unnati Education that fixes that problem entirely. It's a complete practice guide with a syllabus that is accurate and covers Physics, Chemistry, and Biology, which strictly adheres guidelines of The NIOS September 2025 guidelines.

If you've ever struggled to finish your practicals, weren't sure of the proper format, or didn't know how to present your work clearly, this file is the solution. It's precise, approved by examiners, and is specifically designed to help you earn all marks on the practical part without confusion or wasted time.

Why Every Student Needs the NIOS Class 10 Science 212 Solved Practical File (Lab Manual)

The practical aspect of Science is an important part of your overall score. Many students undervalue its importance, believing it's only an isolated portion of the study. However, inadequate or insufficient tests can impede your progress and could even decrease your score dramatically.

This NIOS Class 10 Science 212 Solved Practical File (Lab Manual) helps you finish every practice with clarity and accuracy. Every procedure is described in a simple format that explains what you need to do, how to do it, and how to document the results accurately. It doesn't matter if it's measuring density in Physics and studying osmosis research in Biology, or identifying bases and acids in Chemistry. All of the information is neatly presented and aligned to NIOS standards.

When you study it by following it, you will not only be prepared for your practical examinations, but also grasp the real science behind it instead of simply memorizing the steps. It increases your confidence in both the written and practical tests.

What You'll Learn Inside the NIOS Science 212 Lab Manual

What's Included in Our NIOS Class 10 Science 212 Solved Practical File (Lab Manual)?

S.No.	Name of Experiment	Pages
1	To determine the density of the material of a given solid using a spring balance and a measuring cylinder	1
2	To find the average speed of an individual, as one walks/runs to and fro between two points	6
3	To observe and compare the pressure exerted by a solid iron cuboid placed on fine sand/wheat flour while resting on its three different faces and calculate the pressure exerted in the three different cases	9
4	To verify the third law of motion using two spring balances	13
5	To determine the melting point of ice	16
6	To study the laws of reflection of light using a plane mirror	18
7	To study the change in the size and position of image formed by a convex lens by changing the position of an object (candle) placed in front of it	22
8	To study the change in current through a resistor by changing potential difference across it. Determine the resistance of the resistor by plotting a graph between potential difference and current	25
9	To assemble a household circuit comprising two bulbs (3 volt each), two turn on-off switches, a fuse and two dry cells as source of power	30
10	To determine the speed of a pulse propagated through a stretched string	33
11	To Prepare an Aqueous Solution of Common Salt of a Given Composition	36
12	Separation of Mixtures	39
13	To Differentiate between a Chemical and Physical Change in a Given Process	44
14	To Test the Presence of Water Vapours in Air	47
15	To Test the Presence of Carbon Dioxide (CO₂) in Air	50
16	To Find Out the Approximate Percentage of Oxygen in Air	52
17	To Test the Acidic/Basic Nature of a Solution with the Help of pH Paper	55
18	To Find the pH of Fruit/Vegetables Juices with the Help of pH Paper	58
19	To Identify Washing Soda and Baking Soda Out of the Samples of Two White Powders	60
20	To Carry Out Chemical Reactions of Different Types	63
21(i)	To Prepare a Temporary Stained Mount of Onion Peel, Observe Under the Microscope and Record Observations	68
21(ii)	To Prepare a Temporary Stained Mount of Human Cheek Cells, Observe Under the Microscope and Record Observations	72
22	To Study and Draw Different Types of Plant and Animal Tissues with the Help of Permanent Slides: Plant tissues: Parenchyma and Sclerenchyma; Animal tissues: Blood, Striped muscle fibres, Nerve cells	74
23	To Study the Process of Osmosis through a Semipermeable Membrane	77
24	To Test the Presence of Starch in Green Leaves Exposed to Sunlight	81
25	To Observe that Oxygen is Released during the Process of Photosynthesis	84
26	To Show that CO₂ is Given Out During Respiration	87
27(i)	To Test the Presence of Starch and Fat in Given Food Samples	90
27(ii)	To Test the Presence of Adulterants in (a) Milk and (b) Metanil Yellow in Pulse	92
28	To Estimate the Level of Pollution in Terms of Particulate Matter by Comparing Leaf Samples Collected from Different Areas	95
29	To Observe Organisms from Given Pictures or Specimens or in the Surroundings (e.g., Crop Field, Garden, or Pond), Classify Them as Producers and Consumers, Construct Their Food Chains and Indicate Their Trophic Levels	98
30	To Study External Structural Adaptations in Any Two Organisms out of Cockroach, Fish, Frog, Lizard, and Pigeon	102

Physics Practicals - Learning by Doing

The Physics section is focused on measuring motion and energy, light, and electricity -subjects which can be difficult in concept, but can be made easy by doing hands-on activities. This NIOS 10 Science 212 Class 10 Science 212 Solved Practical File (Lab Manual) explains the steps to:

Calculate speed and density precisely by using tools that are simple, such as spring balances, and measuring the cylinders.
Learn about the laws of motion through conducting experiments using spring balances and pulleys.
Test the electrical resistance and current through the cleanly drawn circuit diagram, and verify the readings.
Examine reflection and refraction of light, and how the image positions change as you increase the distance from the lens.

Each experiment is accompanied by samples of readings, formulas, and precise conclusions that help to improve your scientific accuracy and confidence.

Chemistry Practicals - Understanding Reactions and Properties

The Chemistry section teaches students to study reactions, recognize substances, and learn about the way matter behaves. Through these labs, you'll be taught:

Prepare solutions for aqueous and conduct accurate titrations.
Test for bases, acids, and salts by using indicators and pH papers.
The distinction between physical and chemical changes.
Find common ingredients like baking soda and washing soda, and vinegar, using reactions.
Simple separation techniques such as Evaporation and filtration.

The NIOS Science 212 Lab Manual provides the rationale behind every reaction. You'll not just finish your report, but be able to understand why things behave in the way they which is a crucial skill in higher education.

Biology Practicals - Visualizing Life Processes

The Biology section introduces you to the world that surrounds you. Making use of simple tools such as microscopes, slides as well and leaves. You'll be able to:

Make colored slides from onion peels as well as human cheek cell lines.
Take note of the plant and animal tissues, such as parenchyma, sclerenchyma, as well as nerve cells.
Explain photosynthesis, respiration, and osmosis.
Recognize consumers, producers, and trophic levels of food chains.

These experiments make biology enjoyable and easily understood. It is the NIOS Class 10 Science 212 Solved Practical File (Lab Manual) that explains each step in brief and clear steps that are perfect for your file for submission and the viva question.

Real Purpose Behind Each Practical - Beyond Just Marks

Each of the experiments within the NIOS Class 10 Science 212 Solved Practical File (Lab Manual) is designed to connect the gap between theories and application in real-world situations. When you follow the instructions correctly, you don't simply memorize the facts, but also discover how science does what it does.

When you determine the speed of an object that is moving, you will understand how time and distance relate to form the basis of mechanics.
If you study pH papers, you can see the impact of acidity and alkalinity on everything from food flavor to the fertility of soil.
When you look at photosynthesis, you can see the way life on Earth relies on the plants.

This is what makes this book distinct: It teaches you concepts as you work and helps you think like a true science student.

How the NIOS Science 212 Lab Manual Is Structured

To make it straightforward and ready for examination, every practical follows a standard seven-part structure:

Goal: Define clearly the things you're testing or proving.
Materials Needed: List of chemicals, tools, and other equipment.
Theory: A brief explanation of the law or principle that is used.
Step-by-step procedure with easy instructions.
Notice Tables and readings using proper units.
Results: Final conclusion or numerical result.
Safety and precision tips.

This format is exactly what NIOS evaluators look for. If you follow the format, your practice file will always conform to the standard used by study centers all over India.

How This Solved Practical File Helps You Succeed

It is important to note that the NIOS Class 10 Science 212 Solved Practical File (Lab Manual) isn't just about writing the correct answers's a complete preparing system that reduces time and helps avoid common errors.

Saves Time and Effort

It is not necessary to spend minutes searching on the internet or copying notes that aren't complete. Every step in the process, diagram, and calculation is well-organized.

Boosts Accuracy

Errors in formulas or readings result in the user marking. Our solved file is accurate and provides results and values to ensure your safety when you check your file.

Improves Understanding

Simple explanations help connect theory with real-world experiments, which improves the overall understanding.

Reduces Exam Stress

When your file for practical is correct and complete, you can concentrate on your theoretical exams with confidence.

Builds Confidence

A clear and concise presentation and precise observations help you to succeed in assessment exercises and viva sessions.

Why Students Lose Marks in Practical Exams (And How This Manual Prevents It)

Unsafe precautions, or the wrong unit.
Diagrams that are not labeled properly.
There is confusion about the interpretation of results.
Incorrect table format.
Poor handwriting, or pages with smudged marks.

This NIOS Science 212 Lab Manual reduces the risk. Each page is clean and clear, and formatted in an order that allows you to reproduce it by handwriting your own handwritingwhich is the most important factor in scoring complete internal marks.

Updated for NIOS October 2025 Session

This version of NIOS Class 10 Science 212 Solved Practical File (Lab Manual) is the most recent version and updated to reflect the Oct 2025 guidelines. NIOS changes specific procedures and marking systems every time a session is held, and a large number of students are unable to mark their marks with outdated files.

Tables of observations updated with accurate readings.
The format of the answer has been revised to match 2025's checking style.
Examiner-approved sequences and presentations.

This software is being used by the top students from across Delhi NCR and India through Unnati Education.

Common Topics Explained Simply

Motion and Force

Learn how to calculate motion using the most basic tools. Learn how acceleration, mass, and force are interconnected, which is the core of Newton's laws.

Mixtures and Solutions

Simple chemistry experiments that can explain how substances dissolve and react differently. It is ideal for describing real-world issues, such as why saltwater tastes differently or the reason oil doesn't mix with water.

Plant and Animal Cells

See life in the microscope. Discover the importance of cell membranes, cell walls, and cytoplasm with simple slides.

Air and Environment

Check the air for carbon dioxide levels. Examine pollution by using leaf dust comparison, a concept that connects environmental science with biology.

Light and Reflection

Do mirror and lens exercises to discover how images come together. Learn about the laws that govern reflections and refractions instead of studying them.

These explanations will help you understand science in relation to the world around you -- which is precisely what NIOS requires in terms of the real world.

Why Choose Unnati Education

Unnati Education is known for offering the most precise and syllabus-aligned practice files that are designed for NIOS students. With more than 10 years of expertise, our solved files and manuals are cherished by thousands of students across India and around the world.

Here's the reason why students choose us:

Expertly-created solutions for each area.
Based on the latest October 2025 syllabus.
Handwritten or PDF versions.
Quick delivery by WhatsApp.
Support continues for TMAs' Assignments, TMAs, and examinations.

When you utilize Unnati Education's NIO Class 10 Science Solved Practical File 212 (Lab Manual), you reduce time, increase accuracy, and make sure that your work is approved without any corrections.

How to Get Your NIOS Science 212 Lab Manual

The process of getting your manual is easy and quick

Contact Unnati Education via WhatsApp.
Include your subject in the form of "NIOS Class 10 Science 212 Solved Practical File (Lab Manual)".
Select the format you prefer -either PDF or handwritten reference.
Get it immediately and begin creating your document carefully.
Send it to your study center by the deadline for practical submission.

Additionally, you'll receive suggestions on viva-style questions and presentation formats along with your guide.

Top 5 FAQs on NIOS Class 10 Science 212 Solved Practical File (Lab Manual)

Q1. What does the NIOS Class 10 Science 212 Solved Practical File comprise?
It contains step-by-step directions, including readings, diagrams, research, and safety tips for any experiment conducted that are conducted in Physics, Chemistry, and Biology.

Q2. Do you think this is the most current version of the session of October 2025?
Yes, the document follows the latest NIOS Science Lab Manual pattern 212 according to the syllabus of October 2025, as well as the marking system.

Q3. Can I directly use this file for my presentation?
Yes. Write it out in your own handwriting using the same format. The NIOS study center will accept it. NIOS study center with no issues.

Q4. Does it help with the preparation for the viva and exams?
Absolutely. Every practical is a short viva-style question and answers to help you prepare for questions from the examiner during the exam.

Q5. What can I do to get the most current NIOS Science 212 Lab Manual quick?
It is available directly via Unnati Education on WhatsApp. Select either handwritten or PDF format, and you will receive it in a matter of minutes, for preparation for the exam.

Final Words for October 2025 Students

Practical tests can boost your score or drag it down - it's up to you. When you purchase the NIOS Class 10 Science 212 Solved Practical File (Lab Manual), you will have everything you require to carry out your research accurately, efficiently, and on time.

Unnati Education provides the most up-to-date and accurate NIOS Science Laboratory Manual accessible for the session of October 2025. Tested, verified, vetted, and accepted throughout India.

Download your file today. Write it in a neat manner and get the highest scores in your NIOS practice tests. Since when is your document flawless? You will see a significant improvement in your score.