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NCERT Environmental Science Capsule CBSE Class 6, 7, 8, 9 & 10 Combined

NCERT Environmental Science Capsule CBSE Class 6, 7, 8, 9 & 10 Combined

Environment The environment is everything that is around us. Earth’s Spheres Ecosystem Living Organisms Abiotic Components Food Chain Flow of energy Biochemical Cycles Water Cycle Nitrogen Cycle Carbon Cycle Oxygen Cycle Natural Resources Greenhouse Gases & Global Warming Earth’s spheres Biosphere: The global ecological system integrating all living beings and their relationships, including their interaction with the elements of the lithosphere, geosphere, hydrosphere, and atmosphere. Lithosphere: The rigid, outermost shell of an Earth, that is defined by its rigid mechanical…

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Acids, Bases and Salts NCERT Class 10 Ch 2 Notes for CBSE

Acids, Bases and Salts NCERT Class 10 Ch 2 Notes for CBSE

pH pH is a logarithmic scale used to specify the acidity or basicity of an aqueous solution on a scale of 0 to 14. It tells how acidic or alkaline a substance is. p in pH stands for ‘potenz’ in German, meaning potential or power and H stands for Hydrogen ion. On the pH scale, we can measure pH from 0 (very acidic) to 14 (very alkaline). Substances that aren’t acidic or alkaline (neutral solutions) usually have a pH of…

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Our Environment NCERT Class 10 Ch 15 Notes for CBSE

Our Environment NCERT Class 10 Ch 15 Notes for CBSE

Environment The environment is everything that is around us. Ecosystem (Living Organisms + Abiotic Components) All the interacting organisms in an area together with the non-living constituents of the environment form an ecosystem. Thus, an ecosystem consists of biotic components comprising living organisms and abiotic components comprising physical factors like temperature, rainfall, wind, soil and minerals. All living organisms as well as the physical surroundings interact with each other and maintain a balance in nature. Biotic Factors 1. Producers Organisms…

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Chemical Reactions and Equations NCERT Class 10 Ch 1 Notes for CBSE

Chemical Reactions and Equations NCERT Class 10 Ch 1 Notes for CBSE

Chemical Equation A chemical equation is the symbolic representation of a chemical change. Reactants and Products The substances, in which the chemical change is brought, are called reactants and the substances that are formed as a result of the chemical reaction are called products. Chemical Reaction The transformation of a chemical substance into a new chemical substance by making and breaking of bonds between different atoms is known as Chemical Reaction. We can observe or recognize a chemical reaction by…

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20 MCQs of NCERT Ch 1 Chemical Reactions & Equations for CBSE Class 10 (bilingual)

20 MCQs of NCERT Ch 1 Chemical Reactions & Equations for CBSE Class 10 (bilingual)

1. Choose the correct balanced equation for the following chemical reaction: Barium chloride + Aluminium sulphate → Barium sulphate + Aluminium chloride निम्नलिखित रासायनिक अभिक्रियाओं के लिए सही संतुलित समीकरण चुनें बेरियम क्लोराइड + एल्युमीनियम सलफेट → बेरियम सलफेट + एल्युमीनियम क्लोराइड A) BaCl3 + AlSO4 → BaSO4 + AlCl3 B) 4BaCl3 + 2Al2(SO)4 → 2Ba2(SO)4 + 4AlCl3 C) BaCl2 + Al2(SO4)3 → BaSO4 + AlCl3 D) 3BaCl2 + Al2(SO4)3 → 3BaSO4 + 2AlCl3 2. Choose the correct balanced equation…

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Class 6th NCERT History Complete Notes | SSC | UPSC | IB | Railways

Class 6th NCERT History Complete Notes | SSC | UPSC | IB | Railways

Class 6th NCERT History Complete Notes for competitive government exams such as UPSC CSE, SSC CGL, CHSL, Banking and Railways. History It’s a chronological account of events as they took place in the past. Manuscripts (Latin manu – hand) Usually written on palm leaves or on specially prepared bark of a tree known as birch, which grows in the Himalayas. It dealt with Subjects: religious beliefs & practices, the lives of kings Written in Sanskrit, Prakrit (languages used by ordinary…

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