Watershed Management| Class 12 Geography Notes
A watershed is an area of land that drains water into a common body of water, such as a river, lake, or ocean. Watershed management is managing the natural resources within a watershed to ensure sustainable use of water, soil, and other resources. The goal of watershed management is to protect and enhance the quality of water resources while promoting the ecosystem’s overall health....
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Class 12 RD Sharma Solutions – Chapter 19 Indefinite Integrals – Exercise 19.9 | Set 1
Solution:...
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Working Capital Turnover Ratio: Meaning, Formula, Significance and Examples
Working capital turnover ratio establishes a relationship between the working capital and the turnover(sales) of a firm. In other words, this ratio measures the efficiency of a firm in utilising its working capital in order to support its annual turnover. A high working capital turnover ratio implies that the company is very efficient in using its current assets and liabilities to support its sales. In other words, for every rupee employed or used in the business, it is able to generate a higher amount of sales. However, a lower working capital ratio means that the amount employed in working capital is higher and that the turnover is not up to the mark. In other words, the turnover is lower than the minimum levels as per the given amount of working capital employed....
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Preparation of Amines
Amines are organic compounds formed by substituting an alkyl or aryl group for one or more hydrogen atoms in an ammonia (NH3) molecule. They can be found in nature in proteins, vitamins, alkaloids, and hormones. There are different methods of preparation of amines such as Nucleophilic Substitution Reaction, reduction of amides and nitriles, Hoffman arrangements....
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Oxides of Nitrogen
Nitrogen combines with oxygen to generate nitrogen oxides in a variety of forms. Its oxides have distinct oxidation states, ranging from +1 to +5. Nitrogen oxides with a greater oxidation state are more acidic than those with a lower oxidation state....
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Class 12 RD Sharma Solutions- Chapter 11 Differentiation – Exercise 11.4 | Set 1
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CBSE Date Sheet 2024: Timetable for Classes 10th and 12th released
Exciting news has just come around for all our Class 10 and Class 12 students. The Central Board of Secondary Education (CBSE) has just officially announced the date sheets for the upcoming board exams in 2024. This provides a comprehensive overview of the exam dates, allowing students to plan and prepare effectively for their examinations....
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Collision Resolution Techniques
Languages like English or Spanish are not understood by computers, users must communicate with computers using a set of languages called programming languages. A computer can be programmed using a variety of language families. Computers are instruments created to address complicated issues, but only when a programming language and programmer are used. Computer software is what powers the various browsers, games, emails, operating systems, and applications. Any problem can be solved creatively through programming....
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Physical properties of Alcohols, Phenols and Ethers
Alcohols, phenols, and ethers are organic compounds that are widely used in industries. Alcohols are formed by at least one hydroxyl group attached to the saturated hydrocarbon. Phenols are formed by the hydroxyl group attached to a benzene ring. Ethers are formed when oxygen atoms are connected to two aryl or alkyl groups. Let’s learn about alcohol, Phenols, and Ethers and their respective properties....
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Dioxygen – Definition, Properties, Preparation, Uses
Oxygen is a member of the periodic table’s chalcogen group, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements and other compounds. Oxygen is the most abundant element on Earth, and it is the third-most abundant element in the universe after hydrogen and helium. Diatomic oxygen gas now accounts for 20.95% of the Earth’s atmosphere. Oxygen, in the form of oxides, accounts for nearly half of the Earth’s crust....
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Polyethylene
Polyethylene is an important thermoplastic polymer, it is abbreviated as PE and is a lightweight, durable, synthetic resin, that has a variety of uses. It is a polymer of ethylene hence the name polyethylene and is the most commonly used plastic. The chemical formula for polyethylene is (C2H4)n. Polyethylene is also called, Polyethene, and Polythene....
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Class 12 NCERT Solutions- Mathematics Part I – Chapter 3 Matrices – Miscellaneous Exercise on Chapter 3
Solution:...
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