Comparison between Combustion and Burning Criteria Combustion Burning Definition A chemical process where a substance reacts with oxygen to release energy, often in the form of heat and light. A type of combustion that results in visible flames, heat, and light. Usage Mostly used in scientific and technical fields. Commonly used in everyday language. Examples …
Q Study the chemical structure of the glucose molecule and answer the questions. (i) Make a key to show which colours represent which elements in this structure. (ii) Count and mention the number of atoms of each element in the structure. (iii) Based on the above two answers, write the molecular formula of glucose. Ans …
Addressing the Social Problem of Aging through the Application of Science Introduction: Do you know why we need to help our grandparents and other elderly people? It’s because as people get older, their bodies and minds can face more challenges. They might get tired easily, forget things, or feel lonely. But guess what? Science can …
Eradicating the Social Problem of Disability through the Application of Science Introduction: Introduction: Have you ever thought about how people with disabilities face some challenges in their daily lives? Disabilities might make it hard for them to walk, see, hear, or learn things like everyone else. But the great thing is, science is helping us …
Feature Animal Cell Plant Cell Cell Wall No Yes Shape Irregular Regular (usually square or rectangular) Chloroplasts No Yes Vacuole Small and multiple Large and central Centrioles Yes Usually no, except in some lower plant forms
Question Kabir has recently shifted to a new city. He is helping his mother to set up the house. Kabir wants to move the bookshelf to a comer of the room. He applied a force of 50″ ” N to push the book shelf over some distance. During the process, the work done by him …
Chemical Structure of Glucose The molecular formula for glucose is C6H12O6. This tells us that in a molecule of glucose, there are: 6 Carbon (C) atoms 12 Hydrogen (H) atoms 6 Oxygen (O) atoms
What are Enzymes? Enzymes are like special helpers in our body that speed up reactions. They’re a bit like locks. What about the things they act on? The substances that enzymes act on are called substrates. They’re a bit like keys. How do they work together? When the right key (substrate) fits into the lock …
Type of Carbohydrate Definition Examples Structure Function Monosaccharides Simplest form of carbohydrates that cannot be hydrolyzed further. Glucose, Fructose, Galactose Single sugar unit Primary source of energy in cells Disaccharides Consist of two monosaccharide molecules. Sucrose, Lactose, Maltose Two sugar units Provide quick energy, contribute to the taste of food Oligosaccharides Short chains of three …
How to identify different type of carbohydrates? Read More »
Physics MCQ Questions: If we release a magnet held in our hand, it falls to the ground. The force responsible for this is Muscular force Magnetic force Electrostatic force Magnetic force A brick is kept in three different ways with the help of V,LO shapes an a tab. The pressure exerted by the brick on …
