Question

Mention two examples of each.
1. Objects that sink in water
2. Objects that float on water
3. Objects that dissolve in water
4. Objects that do not dissolve in water

Answer 1

Following are the two examples of each category.
1. Objects that sink in water: Rock and marble
2. Objects that float on water: Plastic bottle and paper
3. Objects that dissolve in water: Salt and sugar
4. Objects that do not dissolve in water: Sand and metal