FOSS Mixtures and Solutions FINAL Review

Front

Which of the following is NOT a method for separating a mixture or solution?
filtering,
stirring,
evaporating,
screening

Back

stirring

Front

Which one of the following chemicals that you worked with is most soluble in water? Options: sugar, epsom salt, citric acid, salt

Back

citric acid

Front

The point where no more solute (solid) will dissolve and begins collecting on the bottom.

Back

saturation

Front

Explain how you know that a solution has become saturated.

Back

a solid collects on the bottom after stirring or shaking

Front

What are the steps in order to separate the mixture: gravel, powder, salt and 50 ml of water?

Back

1. Screen the gravel
2. Filter the powder
3. Evaporate the water

Front

Which type of solution will hold more solute? A solution with 50 mL of HOT water, A solution with 50 mL of COLD water, They will hold the same amount

Back

A solution with 50 mL of HOT water

Front

Which of these is the greatest concentration? 1 scoop of kool-aid and 500 ml of water, 3 scoops of kool-aid and 500 ml of water, 2 scoops of kool-aid and 500 ml of water, 4 scoops of kool-aid and 500ml of water

Back

4 scoops of kool-aid and 500ml of water

Front

Which of these is the greatest concentration? 500 ml water : 2 scoops powder , 1,000 ml water : 5 scoops powder , 500 ml water : 3 scoops powder , 1,000 ml water : 2 scoops powder

Back

500 ml water : 3 scoops powder

Front

When bubbles form, what state of matter is present?

Back

gas

Front

My Kool-Aid mix is too sweet. What can I do to dilute the mixture to improve its taste? Options: add more Kool-Aid powder, add more water, add sugar, dump out some of the solution

Back

add more water