1.which of the following is less concentrated ?

A.10 grams sugar,50 grams water

B.20 grams sugar,50 grams water

C.15 grams sugar,50 grams water

D.25 grams sugar,50 grams water



2.which salt will dissolve quickest ?

A.10 grams of crushed salt in 90 degrees celsius of water

B.10 grams of crushed salt in 80 degrees celsius of water

C.10 grams of crushed salt in 70 degrees celsius of water

D.10 grams of crushed salt in 60 degrees celsius of water





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