Class 10 Science: Chemical Reactions and Equations (Notes + Quiz)

📖 Chapter 1: Chemical Reactions & Equations

Is chapter mein hum seekhenge ki kaise substances milkar naye substances banate hain.

💡 Important Notes:

• Chemical Reaction: Jab do ya do se zyada substances milkar naya substance banate hain.
• Combination Reaction: A + B → AB
• Decomposition Reaction: AB → A + B

🎥 Video Lecture (Hindi/English):

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📝 Quick Test (Check Your Knowledge)

Q1. Magnesium ribbon ko jalane par kaunse rang ki raakh (ash) banti hai?