NCERT

The solution to the Class 11 chemistry chapter 9 exercise can be found on several education sites and that may be on 9 septuplets or 9 Octuplets (either hydrogen or hydrocarbons) depending upon the edition of NCERT syllabus you are following. Some of the best platforms by the likes of Physics Wallah, and Tiwari Academy have complete NCERT solutions that can be found in PDF format or even as a step by step instructions. Video solutions are also provided in the YouTube channels of CBSE Class 11 Chemistry.

Yes, NCERT Solutions are available for free. Find them easily online without paying anything. 

These solutions are for all classes and subjects. 

Many websites, apps, and even the NCERT official platform provide free access. You don't need to register or buy any book to read or download them.

Important topics in NCERT class 12 Physics chapter 13 nuclear include atomic structure, nuclear binding energy, radioactivity, Nuclear Fission, and nuclear fusion. These concepts are fundamental to understanding the behaviour and properties of atomic and nuclear matter and are crucial for both the board exam and competitive entrance test.

The chapter, Chapter 9, Amines, contains a 6 marks (it has a regular weightage) in the theory paper consisting of 70 marks in CBSE Class 12 Chemistry. This qualifies it to be a significant chapter under the Organic Chemistry section which as a whole obtains the most weightage. Amines discusses topics of nomenclature, classification, structure, preparation, physical and chemical properties, uses and also identification of primary, secondary and tertiary amines and the Diazonium salts.

For students using the Physics NCERT class 11 solution popular and helpful books for similar content and problem solving practice include concepts of Physics by HC Verma understanding Physics by DC Pandey and Fundamentals of Physics by halliday Resnick and Walker additionally NCERT exemplar problems with solution are valuable for deeper understanding and practice

Pascal's Triangle is a triangular array of binomial coefficients where each number is the sum of the two numbers directly above it, and its rows provide the coefficients for binomial expansions according to the Binomial Theorem. This le man language for defition of the passcl triangle.

Yes, absolutely NCERT books are a great starting point for cuet preparation, especially for subjects like Physics, Chemistry, Biology, Economics, History, and more. It is aligned with cuet syllabus which is based on class 12 content which  ncert covers.NCERT concepts are very clear and explain fundamental in a clear, structured way and it is perfect for building a strong base.

NCERT books are usually helpful for preparing the subjects such as History, Geography, Polity, and Science basics in the General Awareness section. The standard of questions asked in the RRB NTPC exam is of high school level. The total marks allotted to the test are 100.