Class 9: Science Chapter 4 solutions. Complete Class 9 Science Chapter 4 Notes. Maharashtra Board Solutions for Class 9- Science: Chapter 4- Measurement of Matter Maharashtra Board 9th Science Chapter 4, Class 9 Science Chapter 4 solutions 1. Give examples. a. Positive radicalsAnswer:Na+– Sodium ion, K+ – Potassium ion b. Basic radicalsAnswer:Na+ – Sodium ion, K+ – Potassium […]