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Give an example of a solvent.
...
Give an example of a solute.
...
Give an example of an irreversible process.
...
Give an example of a reversible process.
...
Give an example of a chemical reaction.
...
How do we know when a chemical reaction has taken place?
A new product is formed.
What are the reactants in rusting?
Water, Iron, Oxygen
My chocolate bar has turned to liquid! How can I make it solid again?
Freeze it (make it colder)
What is the product in lighting a match?
Ash
What gas is made when you mix bicarbonate of soda with vinegar?
Carbon Dioxide
What is the scientific formula for water?
H2O
What do we call the point at which water turns to ice?
Freezing point
Is ironing clothes reversible or not?
It is reversible
How can I recover salt from a saltwater solution?
Evaporate the water so the salt is left behind.
What will happen to salt when it is mixed with water?
It will dissolve.
What is frozen water called?
Ice
When something goes from solid to liquids, it...
melts
Are chemical reactions reversible or irreversible?
Irreversible