Froggy Jumps Pure substances and mixturesOnline version Help the frog cross the river by choosing the correct answer. by ANDREA ELIZALDE BIELSA 1 Pure substance a b c 2 Pure substance a b c 3 Pure substance a b c 4 Pure substance a b c 5 Mixture a b c 6 Mixture a b c 7 Mixture a b c 8 Mixture a b c