Exploring Mixtures vs. Compounds

What is the main difference between a mixture and a compound?

• A mixture is always a liquid, a compound is always a solid.

• A mixture has a chemical bond, a compound does not.

• A compound has a chemical bond, a mixture does not.

• A compound is always a gas, a mixture is always a liquid.

What is an example of a mixture given in the video?

• Water

• Sugar

• Sand and salt

• Salt

What type of mixture is mustard classified as?

• Solid-solid

• Gas-liquid

• Liquid-liquid

• Liquid-solid

Why is sugar considered a compound?

• It is a physical intermingling of substances.

• It is a mixture of different ingredients.

• It is chemically combined from two or more substances.

• It is a single element.

What elements make up the compound salt?

• Sodium and Chlorine

• Nitrogen and Hydrogen

• Carbon and Oxygen

• Hydrogen and Oxygen

What is the chemical formula for water?

• CO2

• H2O

• O2

• NaCl

Why is the oil and water combination considered a mixture?

• They both evaporate.

• They remain separate and do not combine.

• They chemically bond together.

• They form a new compound.

What happens when food coloring is added to the oil-water mixture?

• It dissolves completely.

• It bursts like fireworks.

• It forms a new compound.

• It evaporates.

What is the visual result of adding food coloring to the oil-water mixture?

• The oil floats on top of the water.

• The oil changes color.

• The water evaporates.

• The oil and water mix completely.

What is the purpose of adding food coloring to the oil-water mixture?

• To create a new compound.

• To evaporate the water.

• To see the separation between oil and water.

• To dissolve the oil.