Mixing it up

This task is about temporary and permanent changes.
A physical change is reversible and no new substance is made; A chemical change is not reversible (permanent) and a new substance is made.

Question 1Change answer

Each of the following pairs of substances are mixed together.
Select Yes or No from the drop down list to show if the change is permanent.
a)   Water and oilYesNo

Question 3Change answer

b)   Baking soda and vinegarYesNo

Question 4Change answer

c)   Salt and sandYesNo

Question 5Change answer

d)   Milk and creamYesNo

Question 6Change answer

e)   Coffee and hot milkYesNo
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