Which of the following is the best example of a mixture?
A solution is a special kind of mixture. Some substances can dissolve in water to form a solution; some substances cannot. Which of the following will dissolve in water?
A mixture of sand and iron filings is in a bowl. If both substances keep the same physical properties after being mixed together, how could the mixture be separated?
Some materials, when they are mixed with water, will change properties and dissolve. When you stir white grains of sugar into water, you can no longer see the grains of sugar. How can you tell that the sugar is still there?
Sand and water both keep their same physical properties when mixed together. How could you separate the two substances, keeping their physical properties in mind?