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Chemical Equations Chemical Equations 1. Reactants → Products A chemical equation is written as:Reactants→Products\textbf{Reactants} \rightarrow \textbf{Products}Reactants→Products The arrow (→) shows the direction of the reaction. 2. Important Historical Contributions These discoveries helped scientists understand how chemical reactions work. 3. Balanced Chemical Equation A balanced equation has: 👉 The same number of atoms of each element

Q1. What is light? Answer: A form of energy 💡 Hint It enables us to see objects. 📨 Ask Community Q2. Speed of light in vacuum? Answer: 3 × 10⁸ m/s 💡 Hint Vacuum offers no resistance. 📨 Ask Community Q3. Speed of light in vacuum. Answer: 3 × 10⁸ m/s 💡 Hint Vacuum offers

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📘 Study MCQs Q1. Apart from carbohydrates, plants also synthesize: A. Only vitamins B. Proteins and fats C. Only minerals D. Only water AnswerB. Proteins and fatsDetails Plants use the carbohydrates produced during photosynthesis as building blocks to synthesize other organic compounds, including proteins (from amino acids) and fats (lipids) for energy storage and cellular

Plant Nutrition 📘 Study MCQs Q1. The components of food that are essential for an organism (Plant or animal) are called: • Nutrients • Vitamins only • Minerals only • Roughage AnswerNutrientsDetails Nutrients are the essential components of food that provide nourishment necessary for growth, energy, maintenance, and proper functioning of an organism’s body. Q2.

📘 Study MCQs Q1. The maximum displacement of a vibrating body from its central position is called its: • Frequency • Time period • Amplitude • Pitch AnswerAmplitudeDetails Amplitude is the maximum distance a vibrating object moves from its rest or central position. A larger amplitude means more energy is carried by the wave, which

📘 Study MCQs Q1. The human voice box is also known as the: • Trachea • Larynx • Esophagus • Pharynx AnswerLarynxDetails The larynx, commonly called the voice box, is a hollow muscular organ located at the upper end of the windpipe that houses the vocal cords and is responsible for voice production. Q2. Sound