1. When salt solution is heated, what happens?
2. What happens to water after it evaporates?
3. Where does vapour go when it condenses?
4. What substance stays in the glass?
2. What happens to water after it evaporates?
3. Where does vapour go when it condenses?
4. What substance stays in the glass?
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2.)Once evaporate a molecule of water vapor spends about ten days in the air.
3.) The gaseous water molecules release energy into the cooler air around them and move closer together.
4.) This water can stay above the glass because of the property of cohesion.
Answer:
1. The salt will desolve
2. It will become gas
3. When the vapour condenses, it will moist and the gas, will become liquid
4. The salt