Mixtures

What is formed when two or more substances are combined?

• Pure Substance

• Mixture

• Matter

• Solid Matter

What mixture has a uniform composition and exist in single form?

• Homogeneous Mixture 

• Heterogeneous Mixture

• Matter

• Pure Substance

What mixture has NO uniform composition and exist in two or more phases?

• Matter

• Pure Substance

• Homogeneous Mixture

• Heterogeneous Mixture

Which is NOT a heterogeneous mixture?

• cement

• pebbles

• rocks

• gravel

What does NOT belong the group?

• mixed nuts

• buko salad

• halo-halo

• white rice

Which of the following is NOT soluble in water?

• naphthalene

• salt

• sugar

• vinegar

Which of the following liquids does not mix with water?

• liquid soap 

• oil

• soy sauce

• vinegar

In solutions, the additive is called the _________, while the substance that dissolves the  first is called the ________.

• solute: solvent 

• solvent: solute 

• seasoning: water

• solubility: concentration

Solubility is measured in terms of __________.

• how much solute is dissolved in the solvent

• how much solvent is dissolved in the solute

• how much solute can be dissolved in a fixed amount of solvent

• how much solvent can be dissolved in a fixed amount of solute

Which of the following salt solutions is the most concentrated?

• 20 grams of salt dissolved in 100 mL of water

• 30 grams of salt dissolved in 100 mL of water

• 30 grams of salt dissolved in 200 mL of water

• 50 grams of salt dissolved in 200 mL of water