If two angles in a triangle are complementary, what type of triangle is it?
a: right
b: isosceles
c: acute
d: equilateral

Compare and contrast physical changes with chemical changes.

What are the similarities of physical and chemical change ?

Calculate the molarity of each of the following solutions. part a) 0.12 mol of lino3 in 5.5 l of solution part b) 60.7 g c2h6o in 2.48 l of solution part c) 14.2 mg ki in 100 ml of solution