True
[tex]true \: or \: false [/tex]
16.Dave combined sand with water. Sand does not dissolve when strried into water. A mixture is a combination of at least two substances, with different properties, with different properties, that don't chemically combine
17.instant coffee crystal strried into hot water melt into coffee. Adding a solid to a liquid can make a solution.
18. Some solid materials completely dissolve in liquid materials but others do not
19. A solution is not a mixture because it just making a single form.
20. We make a solution in our daily lives. ​