4. Which of these is an example of homogeneous mixture of a solid and a liquid
A. 1 teaspoon of sand in a glass of water
C. teaspoon of sugar in a glass of water
B. 70% alcohol solution
D. cooking oil mix with in a glass of water
5. Which of these is an example of heterogeneous mixture of two liquids?
a.sand and pebbles
b.vinegar and water
c.cooking oil and water
d.sugar and salt​