What is Shiksha Nation?

Shiksha Nation is a complete online learning platform that supports students from Class 6 to 12 with high-quality education. It offers school-level learning, board exam preparation, and coaching for competitive exams like JEE, NEET, and CUET. Along with academics, Shiksha Nation also provides professional and skill-based programs through Skillo.live, where learners can gain job-ready skills such as AI, Data Analytics, UI/UX Design, Digital Marketing, and more.

Which classes does Shiksha Nation cover?

Shiksha Nation covers a wide range of academic needs, including: • Class 6 to 10 – All major subjects • Class 11 and 12 – PCM, PCB, Humanities, and Commerce • Competitive exams – JEE, NEET, CUET This ensures students get proper guidance at every stage of their academic journey.

What is Shiksha Achievo?

Shiksha Achievo is a comprehensive learning program designed for students from Class 6 to 10. It covers Mathematics, Science, English, and Social Studies. The program focuses on building strong fundamentals through clear explanations, visual learning, practice worksheets, and interactive classes, helping students prepare confidently for higher classes and future exams.

Skillo.live is the skill-development platform of Shiksha Nation that offers job-ready professional courses for students and working professionals. Courses include Artificial Intelligence (AI), Machine Learning (ML), Data Analytics, UI/UX Design, Digital Marketing, and Product Management. Learners receive hands-on training, real-world projects, and expert mentorship to build industry-relevant skills.

Why choose Shiksha Nation for IIT-JEE and NEET preparation?

Shiksha Nation provides a structured and effective preparation system for JEE and NEET, including expert faculty with years of experience, in-depth study material and chapter-wise notes, daily practice questions and assignments, regular mock tests based on actual exam patterns, dedicated doubt-solving sessions, and personalized performance analysis. This approach helps students build strong concepts, practice effectively, and perform confidently in exams.

Are the classes live or recorded?

Shiksha Nation offers both live classes and recorded sessions. Students can interact with teachers during live classes and watch recorded lectures anytime for revision or flexible learning.

Do students get study materials and mock tests?

Yes, students receive complete study support, including notes and worksheets, chapter-wise assignments, sample papers, previous year question papers, and quizzes and mock tests. These resources help students stay consistent and exam-ready.

How do I enroll in a Shiksha Nation course?

To enroll, visit the Shiksha Nation website, explore programs like Shiksha Achievo or courses available on Skillo.live, choose your preferred course, and follow the simple sign-up process to begin learning.

What makes Shiksha Nation one of the top EdTech platforms in India?

Shiksha Nation stands out because it offers both academic and skill-based education under one platform. With expert educators, AI-powered learning tools, high-quality content, flexible learning options, and personalized guidance, it delivers a complete learning experience for students across India.

How does Shiksha Nation personalize the learning experience?

Shiksha Nation uses AI-based tools to analyze each student's strengths and learning style. It provides personalized practice questions, topic-wise revision suggestions, performance analytics, and learning recommendations based on progress. This helps students improve steadily with focused and targeted support.

Read the following and answer any four questions from (i) to (v).

A hydrocarbon (P) has the molecular formula C₁₀H₂₂ hydrocarbon (Q) has two carbon atoms less than (P) and belong to the same homologous series. A hydrocarbon (R) has two carbon atoms more than (P) and belong to the same homologous series.

(i) What is the molecular formula of (Q)?

C₁₂H₂₆

C₈H₁₆

C₈H₁₈

C₈H₁₄

(ii) To which homologous series do the compound (P), (Q) and (R) belong?

C_nH_2n

C₂H_2n-2

C_nH_2n+2

C_nH_2n+1

(iii) What is the molecular formula of (R)?

C₁₂H₂₆

C₁₂H₂₄

C₁₂H₂₂

C₁₂H₂₈

(iv) Identify the correct statement about compounds (P), (Q) and (R).

They have same melting and boiling points.

They have same chemical properties.

They have different general formula.

They differ by -CH unit.

(v) Compounds (P), (Q) and (R) are:

Alkanes. b. Alkenes.

Alkynes. d. None of these.

Class 10ChemistryCarbon and Its Compounds

Verified Answer

(i) (c) C₈H₁₈

Explanation:

Molecular formula of (Q) is C₈H₁₈ as it has two carbon atoms less than (P).

(ii) (c) C_nH_2n+2

Explanation:

Compounds (P), (Q) and (R) are alkanes having general formula C_nH_2n+2.

(iii) (a) C₁₂H₂₆

Explanation:

Molecular formula of (R) is C₁₂H₂₆ as it has two carbon atoms more than (P).

(iv) (b) They have same chemical properties.

Explanation:

Compound (P), (Q) and (R) belong to same homologous series So they have different physical properties but similar chemical properties. They have same general formula C_nH_2n+2. They differ by 2 carbon atoms and 4 hydrogen atoms.

(v) (a) Alkanes.