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Science

Chemistry: Properties and changes of materials

Learning questions

How do you know if something has dissolved?

When a solid doesn’t dissolve in water can you explain how you could separate from the water?

Can you explain what happens to the solid in a solution if the liquid is evaporated?

Can you list some factors could affect the speed at which different materials dissolve in water?

Can you explain how to separate a mixture of pebbles, sand and salt? What would you use?

Can you make a list of as many reversible changes as you can?

Can you explain how you know that a change is irreversible? What do you need to look out for?

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