______1. All solid materials will dissolve in water.


______2. Water and mango fruit juice are completely miscible.


______3. Chocolate will dissolve faster in hot water than in cold water.


______4. Dishwashing liquid will dissolve cooking oil.


______5. Sand will settle at the bottom of a 1- liter container full of water.


______6. Metal will contract when exposed to sun’s heat.

______7. Dew in the leaves in the morning is formed by condensation.


______8. Sun’s heat can cause evaporation of water in the river.


______9. Hot air will expand the toy balloon.


______10. Burning rubber undergo chemical and physical changes


true or false​