9.which of the following liquids do not mix whit water ? (easy)
a.liquid soap
b.oil
c.soy soauce
d.vinegar
10.what will happen when oil is mixed
with water? (comprehension)
a.oil floats on top of the water
b.oil cannot be distinguished from the water
c.oil particles are scattered in the water
d.oil settles at the bottom of the water
