Rate of Dissolution

You want to drink lemonade. You have taken lemon juice in a glass of water. Then tested it sour. Then you added 2 teaspoon of sugar and again tested it sour! What you need to do to make it test sweet?

Stirring a solution makes solid dissolve faster.

• True

• False

Heating a solution makes solutes ___________ faster.

• dissolve

• to become solid

Tags

NGSS.MS-PS1-4

Heating makes solid dissolves faster because heat speeds up the particles and allows to spread through the solution more easily.

• True

• False

Tags

NGSS.MS-PS1-4

Sugar cubes will dissolve faster than powdered sugar

• True

• False

Smaller grains dissolve faster than larger grains.

• True

• False

Tags

NGSS.MS-PS3-4

The grain size of a solute do not affects the rate at which it will dissolve in a liquid.

• True

• False

Key-words we've learned from today's lesson

• Rate

• surface area,

• cubic salt/ sugar

• grain size

• Stirring / heating

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3