“General Science” is the highest scoring as well as the most challenging section for all competitive exams. In this section, you will find important notes on three main subjects of General Science: Physics, Chemistry, Biology, etc.
You can Browse the Subject- wise General Science Notes here:
Nutrients are essential elements in our food, including carbohydrates, vitamins, minerals, fats, and others. These components are vital for the survival of living organisms. While plants synthesize their food, animals, and humans rely on plants and animals directly or indirectly for their nutritional requirements. What is Nutrition? Ever wonder how food fuels your body and … Read more
Imagine your body as an orchestra, with countless instruments playing in harmony. The conductor, ensuring everything flows smoothly? That’s your nervous system! This intricate network of nerves and specialized cells is like the body’s electrical wiring, constantly buzzing with messages that control everything from the flutter of your heartbeat to the spark of a creative … Read more
Symbol Na Atomic Number 11 Atomic Mass 22.990 Discovered by Sodium was discovered by Humphry Davy Physical Properties of Sodium Chemical Properties of Sodium Group 1 Melting point 97.794°C, 208.029°F, 370.944 K Period 3 Boiling point 882.940°C, 1621.292°F, 1156.090 K Block s Density (g cm−3) 0.97 Atomic number 11 Relative atomic mass 22.990 State … Read more
Basic Overview of Iron Iron Symbol Fe Iron Atomic Number 26 Iron Atomic Mass 55.85 g.mol -1 Discovered by The Ancients Chemical Properties Of Iron Group 8 Melting point 1536 °C Period 4 Boiling point 2861 °C Block d Density (g cm−3) 7.8 g.cm-3 at 20°C Atomic number 26 Relative atomic mass 55.845 State at 20°C … Read more
Quick Facts about Magnesium Symbol Mg Atomic Number 12 Atomic Mass 24.305 Discovered by Magnesium was discovered by Joseph Black Chemical Properties of Magnesium Group 2 Melting point 650°C, 1202°F, 923 K Period 3 Boiling point 1090°C, 1994°F, 1363 K Block s Density (g cm−3) 1.74 Atomic number 12 Relative atomic mass 24.305 State at … Read more
The reason water feels hard is because of the dissolved bicarbonates, chlorides, and sulfates of calcium and magnesium. If water doesn’t create a lather with soap, it’s considered hard water. Water stands as the most vital substance crucial for sustaining life on Earth. It exists in oceans, rivers, ponds, lakes, glaciers, and more. Rainwater is … Read more
Water, a fundamental resource for life, plays a crucial role in various industrial and domestic processes. However, not all water is created equal, and many regions around the world experience what is known as “temporary hardness.” In this blog post, we will explore the causes of temporary hardness in water, shedding light on the chemistry … Read more
Welcome, dear aspirants! As you venture on your journey to conquer competitive exams such as SSC, UPSC, Railway, and all other state PSCs, we bring you a comprehensive guide on a fascinating topic – Types of Pigment in Plants. This topic, a crucial part of General Science, is not just about memorizing facts. It’s about … Read more
Uncover the secrets of the human immune system with our comprehensive notes, featuring detailed explanations, diagrams, and insights into immunity, lymphocytes, and antibodies. The immune system acts as our body’s strong defense mechanism. It works against invading microorganisms to maintain our health. Immunology, a branch of biology, explores the intricate functions of the immune system. … Read more
Today, let’s explore Isotopes of hydrogen, the lightest and most widespread element in the universe. Despite its simplicity, hydrogen has some hidden mysteries, particularly the presence of isotopes. What are Isotopes? What are the 3 isotopes of hydrogen? Hydrogen has three isotopes: protium (1H), deuterium (2H or D), and tritium (3H or T). These isotopes … Read more
Get comprehensive knowledge on the sources of hydrogen with our exam-focused key facts. In this article, we aim to present exam-oriented key facts concerning various sources of hydrogen, including both natural and industrial production methods. By focusing on exam-relevant details, we aim to provide a concise and comprehensive overview of the diverse sources of hydrogen, … Read more
Photosynthesis is a complex but vital process by which plants, algae, and some bacteria convert light energy from the sun into chemical energy in the form of glucose (sugar). This sugar is then used by the organism for food and growth, and also released as oxygen, which is essential for animal life. Here’s a breakdown … Read more
Light Reaction Definition The light reaction is a crucial step in photosynthesis, where solar energy is transformed into chemical energy, specifically in the form of NADPH and ATP. Read More: What is Photosynthesis in Biology Short Answer with Explanation What is Light Reaction? The light reaction, also known as the photolysis reaction, occurs in the … Read more
Photosynthesis, the process by which plants, algae, and some bacteria turn sunlight, water, and carbon dioxide into food and oxygen, is the basis of all life on Earth. It’s like a magical alchemy show happening right before our eyes, fueled by the power of the sun. Let’s delve into the formula and key facts of … Read more
Photosynthesis is an amazing process that occurs in plants, algae, and some bacteria. Plants have a cool way of making their own food called photosynthesis. They use a green pigment called chlorophyll found in their leaves. This chlorophyll grabs sunlight and turns it into energy, which helps the plant make food from carbon dioxide and … Read more
Explore the uses and characteristics of different types of lime in chemistry, such as slaked lime, quicklime, limewater, and more, through our comprehensive notes. Slaked Lime (Calcium Hydroxide) Calcium hydroxide (Ca(OH)2), also known as slaked lime, is a white, odorless powder or crystal commonly used in various industries due to its properties as a strong … Read more
Discover the physical and chemical properties of calcium hydroxide and explore its diverse range of uses in our informative notes on Calcium Hydroxide. Calcium Hydroxide: The Nature of Slaked Lime Other Names and Preparation Molecular Structure Safety Considerations Properties of Calcium Hydroxide Chemical Formula Ca(OH)2 IUPAC name Calcium Hydroxide Molecular Weight/Molar Mass 74.093 grams per … Read more
Discover the wonders of calcium carbonate – its formula, properties, uses, and applications. What is Calcium Carbonate? Calcium carbonate is a vital inorganic chemical compound represented by the chemical formula CaCO3. If you’ve ever used chalk in a classroom, you’ve interacted with a form of calcium carbonate. This chemical is abundant in the Earth’s crust and … Read more
Gain a comprehensive understanding of the five states of matter through our concise notes, illustrative examples, and essential key points, enhancing your knowledge of this fundamental topic in science. Understanding the Matter Now, two main things define matter: So, remember: Think of it like your trusty samosa – it’s there, it has weight, and it … Read more
Uncover the secrets of eukaryotic cells – delve into their structure, characteristics, diagrams, and find inspiration in real-life examples. Eukaryotic Cell Definition “Eukaryotic cells are the cells that contain a membrane bound nucleus and organelles.” What is a Eukaryotic Cell? Characteristics of Eukaryotic Cells Structure Of Eukaryotic Cell Plasma Membrane Cell Wall Cytoskeleton Endoplasmic Reticulum Nucleus … Read more
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