1. What are the solid materials that can be completely dissolved in the liquid materials?
2.Why do these materials completely dissolve in liquid?
3. What are the solid materials that cannot completely dissolve in
the liquid materials?
4 Why do these materials cannot completely dissolve in liquid?
5. What are the different changes you observe when solid and
liquid materials are mixed?
2.Why do these materials completely dissolve in liquid?
3. What are the solid materials that cannot completely dissolve in
the liquid materials?
4 Why do these materials cannot completely dissolve in liquid?
5. What are the different changes you observe when solid and
liquid materials are mixed?
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Answers & Comments
1. Sugar , Salt , Powdered juice ,Coffee , Powdered milk.
2. Things that dissolve are called solutes and the liquid in which they dissolve is called a solvent to form a solution. Strongly polar substances easily attract water molecules. The water molecules surround the charged solute.
3. Hard things like , coins ,pen , etc.
4. Some solid materials like sugar and mixed with liquid, the sugar will completely dissolve.