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Mindmap: Chemical Reactions & Equations | Science Class 10

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FAQs on Mindmap: Chemical Reactions & Equations - Science Class 10

1. What is a chemical reaction?
Ans. A chemical reaction is a process that leads to the transformation of one set of chemical substances to another. In a chemical reaction, the atoms of the reactants are rearranged to form new products, which have different chemical properties from the reactants.
2. What are the different types of chemical reactions?
Ans. There are five main types of chemical reactions: synthesis, decomposition, single displacement, double displacement, and combustion. These reactions can be classified based on the type of reactants and products involved and the nature of the chemical change.
3. What is a chemical equation?
Ans. A chemical equation is a symbolic representation of a chemical reaction in the form of reactants and products. It shows the reactants on the left-hand side and the products on the right-hand side, separated by an arrow. Chemical equations are used to describe the stoichiometry of a chemical reaction.
4. How to balance a chemical equation?
Ans. Balancing a chemical equation involves adjusting the coefficients of the reactants and products to ensure that the number of atoms of each element is conserved on both sides of the equation. The process involves the following steps: identifying the reactants and products, writing the unbalanced equation, determining the number of atoms of each element on both sides, balancing the equation by adjusting the coefficients, and checking the balanced equation.
5. What is the importance of chemical equations and reactions?
Ans. Chemical equations and reactions are essential in many areas of science and technology, including chemistry, biology, medicine, and engineering. They help us to understand how chemical substances interact and transform, and how chemical processes can be controlled and optimized. Chemical reactions are also used in many industrial processes, such as the production of fertilizers, pharmaceuticals, and polymers.
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