Substances that dissolve in water include salt, sugar and lemon juice. Items that do not dissolve include oil, plastic, sand and rubber. Knowing this helps us understand water pollution and purification.
Class 5 EVS Our Wondrous World Unit 1: Life Around Us All Question Answer
Class 5 Our Wondrous World Chapter 2 Journey of a River NCERT solutions
Things like salt, sugar and some natural juices dissolve in water. Others, like oil, sand, plastic pieces and rubber, do not dissolve. These undissolved items can float, sink or pollute water bodies. Dissolved chemicals may remain hidden and harmful. This knowledge helps us understand how to treat polluted water and protect animals and people who depend on clean water for survival.
For more NCERT Solutions for Class 5 EVS Our Wondrous World – The World Around Us Unit 1: Life Around Us – Chapter 2: Journey of a River Extra Questions & Answer:
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