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Here’s the Exercise-wise Question & Answer content for: 📘 Class 10 CBSE Science Chapter 1: Science Chemical Reactions and Equations

Laws of chemical combination

Various chemical reactions take place according to the certain laws, known as the Laws of chemical combination. (1) Law of

In the measured value of a physical quantity, the digits about the correctness of which we are surplus the last

Definition of MatterAnything that has mass and occupies space is matter. Examples include solids (chair, almonds), liquids (lemon water/cold drink),

Here’s the complete chapter‑wise list for CBSE Class IX Science (2025–26), based on the latest NCERT/CBSE syllabus: Chapter-wise List Chemistry

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