Login / Register
Follow Us
0
0
Register Free!
Register Free!
Online Mock Tests & Exam Preparation | Target Exams
Select Medium:
🇬🇧 English Medium Active 🇮🇳 हिन्दी माध्यम
Uttarakhand Board of School Education Class X Science Set 02 (Advanced Level) English Medium 100% Free Practice Test

Uttarakhand Board of School Education Class X Science: Carbon and its Compounds Online Test (Set 02 (Advanced Level)) | TargetExams

Carbon and its Compounds — Set 02 (Advanced Level)

Take free online mock test for Uttarakhand Board of School Education Class X Science chapter 'Carbon and its Compounds'. 20 MCQs, 20 minutes, detailed solutions & score analysis.

📝
20 MCQs
Questions
⏱️
20 Mins
Duration
🎯
20 Marks
Total Marks
➕
+1.0
Per Correct
🛡️
0.0
Negative Mark
🌐
English
Language
Start Test Now (English Medium)
Instant Scorecard Step-by-Step Solutions UBSE Pattern

Chapter Study Guide & In-Depth Notes

Master the key concepts, vocabulary, and high-yield questions before starting the test.

3 Sections

Chapter Overview & Core Concepts: Carbon and its Compounds

Class 10 Study Guide

Mastering Carbon and its Compounds in Class 10 provides critical subject intuition, analytical skills, and examination readiness.

Examinations test fundamental principles, definitions, cause-and-effect reasoning, and real-world applications under timed conditions.

Core Moral & Key Takeaway:

Grasping core concepts and practicing with timed chapter-wise CBT tests guarantees top performance in board exams.

Key Terminology, Definitions & Principles

Glossary & Concepts
Term / Formula Type Definition / Meaning Explanation / Notes Example / Usage
Core Concept Principle Primary concept governing Carbon and its Compounds. मुख्य सिद्धांत "Understand and apply the principle accurately."
Analytical Deduction Skill Evaluating evidence to draw correct conclusions. तार्किक विश्लेषण "Examine question clues systematically."

Key Features & Devices Explored:

Systematic Elimination
Eliminate distractor choices before selecting the best answer.
Pacing & Accuracy
Complete each question within 60 seconds to maintain steady momentum.

High-Yield Revision Points & Solved Board Exam Q&A

Revision Notes
⚡ High-Yield Exam Takeaways:
  • Review all key textbook terms, definitions, and formulas.
  • Pay attention to units, boundary values, and key keywords in questions.
  • Solve Foundation Set 01 to build confidence, followed by Advanced Set 02 for exam excellence.
Frequently Asked Questions & Model Answers:
Q1 How should students prepare for Carbon and its Compounds exams?
Answer: Read the chapter thoroughly, practice step-by-step solved examples, memorize key definitions, and evaluate preparation using timed online CBT mock tests.

Sample Questions Preview

Free Sneak Peek

Here is a sneak peek of the questions included in this test set. Test your preparation by viewing the answer and detailed explanation before starting the timed exam.

Q1
What is the cleansing action of soap based upon?
साबुन की सफाई क्रिया किस पर आधारित है?
A
Chemical neutralisation of dirt by acidअम्ल द्वारा गंदगी का रासायनिक निराकरण
B
Dissolving water into oilपानी को तेल में घोलना
C
Evaporation of dirt particlesगंदगी के कणों का वाष्पीकरण
D
Formation of spherical micelles where hydrophobic ionic hydrocarbon tails trap oily dirt in the interior and hydrophilic ionic heads interact with waterगोलाकार मिसेल का निर्माण जहां हाइड्रोफोबिक आयनिक हाइड्रोकार्बन पूंछ आंतरिक भाग में तैलीय गंदगी को फंसाती है और हाइड्रोफिलिक आयनिक सिर पानी के साथ परस्पर क्रिया करते हैं
Correct Answer: Option D
Explanation:
Soap molecules are sodium/potassium salts of long-chain fatty acids. The hydrophobic alkyl tail embeds in oil, while the hydrophilic -COO^-Na^+ head faces water, forming an emulsion (micelle).
साबुन के अणु लंबी श्रृंखला वाले फैटी एसिड के सोडियम/पोटेशियम लवण होते हैं। हाइड्रोफोबिक एल्काइल पूंछ तेल में समा जाती है, जबकि हाइड्रोफिलिक -COO^-Na^+ सिर पानी की ओर होता है, जिससे एक इमल्शन (मिसेल) बनता है।
Q2
Why do soaps fail to lather effectively in hard water, forming a sticky precipitate called 'scum'?
साबुन कठोर जल में प्रभावी ढंग से झाग बनाने में असफल क्यों हो जाते हैं, जिससे एक चिपचिपा अवक्षेप बनता है जिसे 'मैल' कहा जाता है?
A
Because hard water contains dissolved sugarक्योंकि कठोर जल में घुली हुई चीनी होती है
B
Because calcium (Ca^2⁺) and magnesium (Mg^2⁺) ions in hard water react with soap to form insoluble calcium and magnesium salts of fatty acidsक्योंकि कठोर जल में कैल्शियम (Ca^2⁺) और मैग्नीशियम (Mg^2⁺) आयन साबुन के साथ प्रतिक्रिया करके फैटी एसिड के अघुलनशील कैल्शियम और मैग्नीशियम लवण बनाते हैं
C
Because hard water is acidicक्योंकि कठोर जल अम्लीय होता है
D
Because soap evaporates in hard waterक्योंकि साबुन कठोर जल में वाष्पित हो जाता है
Correct Answer: Option B
Explanation:
2C_{17}H_{35}COONa + Ca^{2+} → (C_{17}H_{35}COO)_2Ca↓ (scum) + 2Na^+.
2C_{17}H_{35}COONa + Ca^{2+} → (C_{17}H_{35}COO)_2Ca↓ (मैल) + 2Na^+.

Ready to attempt all 20 questions in exam environment?

Get real-time countdown timer, question palette navigator, and instant analytics.

How Chapter-Wise Online CBT Tests Build Winning Habits for Future Competitive Exams

Early practice in high school builds the mental muscle, speed, and analytical discipline required to ace NTSE, Olympiads, JNVST, CUET, and Foundation JEE/NEET.

Competitive Edge

Real-Time Clock Awareness & Pacing

समय प्रबंधन एवं गति नियंत्रण

In school examinations, students write answers without active pacing. In national entrance tests, students have barely 45-60 seconds per MCQ. Practicing with a 20-minute timer instills instinctive time-budgeting and prevents last-minute exam panic.

Mastery of the Elimination Technique

विकल्प निष्कासन विधि में दक्षता

Top rankers in competitive exams rarely compute every problem blindly. They spot subtle traps, evaluate extreme values, and eliminate 2 out of 4 distractors within seconds. Our 4-option sets teach critical distractor analysis.

CBT Screen Stamina & Digital Comfort

कंप्यूटर आधारित परीक्षा का सहज अभ्यास

Almost all major national exams (CUET, JEE, NEET, SSC, Banking) are 100% computer-based. Students who only study on paper experience eye strain and navigation mistakes on exam day. Early CBT practice creates effortless digital fluency.

Immunity to Negative Marking

सटीकता और नकारात्मक अंकन से सुरक्षा

Careless errors—such as misreading "NOT" or "EXCEPT"—ruin thousands of competitive aspirations each year. Regular objective testing builds the habit of double-checking question keywords before locking answers.

Instant Diagnostic Feedback Loop

तत्काल त्रुटि निवारण एवं आत्म-मूल्यांकन

Traditional paper tests take weeks to grade, by which time the student has forgotten their thought process. TargetExams provides instant scorecards and step-by-step solutions while the conceptual puzzle is still fresh.

Start Building Your Competitive Edge from Class

Develop speed, accuracy, and digital test-taking confidence with chapter-wise 20-minute mocks.

Syllabus Concepts Evaluated in this Chapter

This test series specifically evaluates the core competencies and learning objectives outlined in the official syllabus:

  • Core definitions, fundamental theorems, and essential concepts of this chapter.
  • Step-by-step mathematical reasoning and deductive problem-solving.
  • Application of standard formulas and operations in real-world scenarios.
  • Critical examination of common exam pitfalls and misleading options.
  • Higher-order thinking skill (HOTS) questions to prepare for school examinations.
  • Speed and accuracy mastery under standard timed CBT exam conditions.

Exam Rules & Test Taking Guidelines

  • Total Questions: The test consists of exactly 20 objective type questions.
  • Time Allowed: 20 Minutes countdown timer begins as soon as the test launches.
  • Marking Scheme: +1.0 mark is awarded for each correct answer.
  • Zero Penalty: There is 0.0 negative marking for incorrect or unattempted questions.
  • Question Palette: Freely navigate between questions and flag questions for later review.
  • Review & Solutions: Access instant scorecard and full step-by-step solutions upon submission.

Frequently Asked Questions (FAQs)

Yes! Foundation Practice Set 01 for every chapter in Uttarakhand Board of School Education Class X Science is 100% free to attempt. Students can test their knowledge without any payment or hidden fees.
This page is dedicated to English Medium. You can also attempt this test in Hindi Medium by clicking the switcher at the top.
Absolutely. All 20 multiple-choice questions are strictly designed in line with the latest guidelines, covering both basic conceptual understanding and higher-order thinking skills.
The test contains 20 MCQs to be solved in 20 minutes. Each question carries +1.0 mark for a correct answer, and there is zero (0.0) negative marking for incorrect answers.
Yes. Immediately upon submitting your test, you receive a comprehensive performance summary including your total score, accuracy percentage, time spent per question, and full step-by-step explanations for all 20 questions.

Practice Sets in this Chapter

Set 01 (Foundation)

20 MCQs • 20 Mins
View

Set 02 (Advanced)

20 MCQs • 20 Mins
Current

More Chapters in this Subject

🎯 Start Preparation

Begin with this 20-minute practice set to test your conceptual accuracy and prepare for top ranks in your school examinations.

Carbon and its Compounds (Set 02 (Advanced Level))
20 MCQs • 20 Mins • 100% Free Practice Test

Select Test Language Medium

Choose the language medium you want to attempt this online test in:

हिन्दी माध्यम (Hindi Medium) UBSE Curriculum
Displays questions, options, and explanations in the regional medium.
English Medium
Displays questions, options, and explanations in English medium.
Both (English + Regional)
Displays questions and options in English & Regional side-by-side.