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Is it a physical change chemical change when salt dissolves in water?
Physical
When drain cleaner is added to water bubbles of hydrogen are produced Is what happens to form the bubbles when the cleaner is added a chemical or physical reaction?
If a gas is produced and it isn't a state change (such as steam bubbles forming), the reaction is a chemical change because the molecular makeup of either the water or the drain cleaner has changed and the hydrogen has been liberated.
Is separation of water and gasoline a physical change?
No, it is a physical change. The water and gasoline retain their chemical and physical properties.
Dissolves in water chemical change or physical?
Dissolving in water is a physical change.
When Sugar dissolves in hot water a physical or chemical change?
Dissolving sugar in water is a physical change. If you let the water evaporate, the sugar will be left behind. Evaporation is a physical process, not chemical.
Is dissolving dencher cleaner in water a physical change?
Yes, dissolving denture cleaner is physical. ('dencher' is not a good word)
Is drain cleaner mixed with water and the solution becomes warm a chemical change?
It is a physical change.
What are the reactants and products What effect do you think changing the amount of denture cleaner would have on time the rocket is in the air If you keep the amount of water constant do you think th?
What are the reactants and products? What effect do you think changing the amount of denture cleaner would have on time the rocket is in the air? If you keep the amount of water constant, do you think there is a maximum amount of denture cleaner that would work? At what point on the graph would the amount of denture cleaner would no longer have an effect of the time the rocket is in the air? Make a mark on the graph in green.
Is it a physical change chemical change when salt dissolves in water?
Physical
When drain cleaner is added to water bubbles of hydrogen are produced Is what happens to form the bubbles when the cleaner is added a chemical or physical reaction?
If a gas is produced and it isn't a state change (such as steam bubbles forming), the reaction is a chemical change because the molecular makeup of either the water or the drain cleaner has changed and the hydrogen has been liberated.
When water is boiled is it a chemical or physical change?
Boiling is a physical phenomenon, a change of phase.
Physical changes of oil and water?
is water and oil a physical change or chemical change.
Is separation of water and gasoline a physical change?
No, it is a physical change. The water and gasoline retain their chemical and physical properties.
Is water absorbed by a paper towel a physical or chemical change?
It is a physical change.
What type of change is freezing water?
Freezing water is an example of a physical change because the material contents of the water has not changed.
Is condesning water a chemical or physical change?
Condensation of water is a physical change.
Is water condensing a physical or chemical change?
water condensing is a physical change.
