2.1 dissolving

What is a solution?

• A solution is a solid dissolved in another solid

• A solution is only made of water

• A solution is a gas dissolved in air

• A solution is a solute dissolved in a solvent

What is true about a concentrated solution?

• A concentrated solution has more water

• A concentrated solution has more solute particles

• A concentrated solution is always blue

• A concentrated solution is only in gases

In a sugar solution, what is the solvent?

• Sugar is the solvent

• Water is the solute

• Water is the solvent

• Sugar is the only part of the solution

Which solution has the least concentration of dye?

• Solution A

• Solution C

• Solution D

• Solution E

How can you tell which solution is the least concentrated?

• Solution A is the most dilute

• Solution E is the most concentrated

• Solution E is the least concentrated

• All solutions have the same concentration

Why is solution E the most dilute?

• Solution E has no dye

• Solution E has no water

• Solution E has more dye than water

• Solution E has the least dye and most water

What is the total volume of all the test tube solutions?

• 5 cm³

• 8 cm³

• 10 cm³

• 12 cm³

Which solution has 6 cm³ of food dye and 4 cm³ of water?

• Solution A

• Solution B

• Solution C

• Solution D

What tool should you use to measure 10 cm³ accurately?

• Use a spoon

• Use a 10 cm³ measuring cylinder

• Use a beaker

• Use your hand

What is the purpose of using a pipette in this experiment?

• Pipette is for cleaning

• Pipette is for stirring

• Pipette is for tasting

• Pipette adjusts small volumes accurately