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Carbon and its Compounds Carbon is an element which plays a very important role in our livesImportance of Carbon – carbon is an important constituent of the following: • Foods (starch, sugar, fats, vitamins, proteins have carbon) • Fuels (wood, coal, alcohol, petrol) • Household and commercial articles (paper, soap, cosmetics, oils, paints) •…
Class 10 – Acid, Bases and Salt Natural Indicator Natural indicator Colour in acidic medium Colour in basic medium 1) Litmus (purple) Red Blue 2) Red cabbage (dark leaf extract – blue/purple) Red Green / Yellow 3) Flowers of Hydrangea plant Blue (acid soil) Pink (basic soil) 4) Turmeric (yellow)…
Image Formation in the Human Eye The human eye is a natural optical instrument that enables us to see objects. It works on the principle of refraction of light and forms an image on the retina, which is then interpreted by the brain. Structure of the Human Eye Steps Involved…
How do we know that plant/animal is living? Why are molecular movements needed for life? Why maintenance of life process is needed? Maintenance of life process is needed to prevent damage. What are the processes essential for maintaining life? What are the outside raw materials used for by an organism?…
Class 10: Our Environment (Bio Notes)Define Ecosystem? Difference between Natural and Artificial Ecosystem: Food Chain: Examples of Food Chains: Importance of Food Chain: Food Web: So only 10% of energy is transferred to next trophic level while 90% of energy is used bypresent trophic level in its life processes.The various…
Magnet is an object that attracts objects made of iron, cobalt and nickel. Magnet comes to rest in North – South direction, when suspended freely. Properties of Magnet: How are electricity and magnetism related? Explain with an example. Who discovered the magnetic effect of electric current, and what was the…
Heredity and Genetics Class 10: Comprehensive Notes and Key Concepts This in-depth blog post covers essential Heredity notes, explaining Mendel’s experiments, variations, crosses, and sex determination. Dive in to master foundational topics, boost your scores, and get ahead in biology! Table of Contents What is Heredity and Variation? Heredity is…
Metals and Non-Metals – CBSE Class 10 Science Notes Introduction In Class 10 Science, the chapter Metals and Non-Metals is one of the most important topics for exams. It helps us understand the physical and chemical properties of elements, their uses in daily life, and the differences between metals and…
CBSE Class 10 Science – Light Notes PDF (Free Download) Light – Reflection and Refraction is a scoring chapter in CBSE Class 10 Science. It covers essential Physics concepts like how light travels, bends, and forms images through mirrors and lenses. To make revision easier, we have prepared colourful handwritten…
Chemical Equations Chemical reactions play a crucial role in our daily lives. From cooking food to rusting iron, chemical reactions are happening all around us. In CBSE Class 10 Science, the chapter “Chemical Reactions and Equations” introduces students to the fundamentals of how substances interact and transform. This blog post…