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Chemistry is the study of the composition, behaviour and properties of matter, and elements of the Earth and its atmosphere.
Key points. Chemical reactions make new chemicals. Atoms are rearranged during a chemical reaction, but the number of atoms does not change. Evidence of chemical reactions includes a large...
- What Is Chemistry?
- Branches of Chemistry
- Examples of Chemistry in Our Daily Lives
- Free Chemistry Study Material
Chemistry is a subdiscipline of science that deals with the study of matter and the substances that constitute it. It also deals with the properties of these substances and the reactions undergone by them to form new substances. Chemistry primarily focuses on atoms, ions, and molecules which, in turn, make up elements and compounds. These chemical ...
The five primary branches of chemistry are physical chemistry, organic chemistry, inorganic chemistry, analytical chemistry, and biochemistry. Follow the buttons provided below to learn more about each individual branch. Apart from these primary branches, there exist several specialized fields of chemistry that deal with cross-disciplinary matters....
Chemical reactions are constantly taking place around us. The human body facilitates thousands of chemical reactions every day. From the digestion of food to the movement of muscles – all bodily actions involve chemical reactions. A few other examples of chemistry in the day-to-day lives of humans are listed below. 1. The process of photosynthesis ...
The BYJU’S chemistry section hosts over 1500 chemistry articles for students to use as free study resources. Links to each of these articles have been sorted under their parent concepts and can be found in the collapsible tables provided below.
As a result, CBSE Class 7 Chemistry key questions and answers will assist them in preparing for both types of exams. Students can improve their test preparation by practising the chapter-by-chapter important questions for Class 7 Chemistry.
Class 7 is the beginning of a strong foundation in CHEMISTRY as what you practice in this class will help you score more in class 8 and afterwards class 9, etc. Doubtnut experts have prepared step-by-step solutions with detailed explanations.
- CHEMISTRY
Learn what the changes of state are and how matter can change from a gas to a liquid. This KS3 Chemistry guide helps you revise all of this and more.
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Notes for class 7 Chemistry will definitely help you in scoring good marks in class 7 examination. Chemistry is a very interesting subject. Here you can download 7th class Chemistry notes in pdf. These notes of class 7 subject Chemistry are prepared with the help of NCERT book.
