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Electricity: Electricity is convenient form of energy for a variety of uses in schools, hospitals industries and so on. Electric current: Electric charges flow through a conductor , then there…
READ MOREI have listed out the questions of chapter Atomic structure of CBSE 9th Science, from previous year question papers. Mentioned the year and marks beside the questions. Will upload the…
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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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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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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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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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