CBSE 9th– Chemistry– Atoms and molecules
History of finding the smallest particle of a matter: Indian and Greek philosophers tried to find which is the smallest particles of matter Around 500 BC, Indian Philosopher Kanaada postulated…
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CBSE 8th Science- Chapter – Force and Pressure- Notes
What is force? Push or pull on an object is called force. Conditions for force to act: At least two objects must interact for a force to come into play….
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CBSE 9- Science-Chemistry- Structure of Atom – Notes
Structure of the atom Discovery of charged particles in matter Goldstein in 1886 discovered presence of new radiations in gas discharged and called them canal ray These rays were positively…
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CBSE 10- Chemical equations-questions from previous year question papers
Take 3 g of Barium Hydroxide in a test tube and now add about 2g of ammonium chloride and mix the contents with the help of a glass rod. Now…
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CBSE-10-Chemistry-Chemical Reactions-Mind Map
Mind mapping is a way /tool , which helps to memorize information by representing any information visually. This helps the students for to remember and revise the important points of…
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CBSE-10 Maths-Previous Year question paper- 2017
CBSE 10 Maths- Previous year question papers- 201 CBSE-10 maths question paper-2017 Lets grow together intellectually, -Ranjana
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