GEN CHEM L02 L04 L05

What is a component?

• A compound made of metals only

• A part or element of a larger whole

• A liquid left after distillation

• A gas dissolved in water

What does it mean to separate?

• To combine two substances

• To dissolve one substance into another

• To move, segregate, or keep apart

• To condense vapor into liquid

What is a mixture?

• A single pure element

• A compound of metals only

• Substance produced when two or more pure substances are put together without chemical union

• A gas combined with oxygen

Which word means procedure, process, way, or technique?

• Residue

• Method

• Solvent

• Symbol

What is filtration?

• Separating a soluble solid by heating

• Separating insoluble solid from liquid using a porous material

• Separating gases using centrifugation

• Breaking down substances with electricity

What is the solid retained in the filter paper?

• Filtrate

• Residue

• Distillate

• Solution

What is the clear liquid that passes through the filter paper?

• Filtrate

• Distillate

• Residue

• Solvent

Which process separates a soluble solid from liquid by heating until the liquid evaporates?

• Evaporation

• Filtration

• Decantation

• Distillation

What is decantation?

• Pouring liquid off after solids have settled

• Heating until evaporation

• Absorption on a medium

• Breaking a compound with electricity

Which method uses physical tools to separate without changing chemical properties?

• Electrolysis

• Mechanical Separation

• Chromatography

• Distillation