Section 5.1 and 5.2 Multiple Choice Review

Homogenous mixtures are: –Mixtures that are of the same composition –Mixtures that are not of the same composition –Substances made of more than one kind of particle in which the particles are not uniformly scattered –Substances that can not be measured

Which is not a chemical property: –Reacts with water –Combustibility –Viscosity –Reacts with acids

Qualitative properties –Can be measured numerically –Can be described but not measured –Are a change in matter that can take part in a qualitative change –Tell how a substance reacts

Which can not happen in a physical change? –Melting –Drying –Burning –Breaking?

What is the definition of a physical change? –A substance that dissolves in a solvent –A change in matter in which no new substance is formed –A change in matter in which at least one new substance is formed

What does malleability mean? –Formed under pressure –Easily formed into something –Hard to form –The way it flows as a liquid

What does ductility mean? –A metal stretched into wire without breaking –A metal stretched into a wire with breaking –A metal pressed into a sheet –A metal mixed with other metals

Which is not a chemical change: –Adding baking soda and vinegar –Burning paper –Adding salt to water –Leaves changing colour

Which is not a physical change: –Breaking your arm –Water evaporating –The freezing of a liquid –Burning a match

A pure substance has: –2 or more particles –1 unique particle –5 different kinds of particles –None of the above

Which of the following is NOT true: –Particles are always moving –All matter is made up of extremely tiny particles –Particles attract each other –Particles at a high temperature move slower than particles at a low temperature

During a physical change new substance is formed –No –One –Two –Three or more

A chemical change be reversed: –Can –Can’t –Maybe –depends

A quantitative physical property can be –Described and measured –Described but not measured –Measured but not described –Neither described nor measured

A qualitative physical property can be: –Described and measured –Described but not measured –Measured but not described –Neither described nor measured

A physical property that can be measured is: –Qualitative –Quantitative –Chemical –Both A and B

A pure substance that can not be broken down into simpler parts is: –An element –A solute –A solvent –A solution

A substance made up of more than one kind of particle in which the particles are not uniformly scattered is: –Compound –Homogenous –Physical property –Mechanical mixture

Which of the following contains it’s own unique kind of particle: –Heterogeneous –Mixture –Pure substance –density

A is formed when two or more substances are mixed together: –Mixture –Compound –Element –solute

Which of the following is a physical change: –Propane burns –Milk sours –Food is digested –Zinc sulfide glows when exposed to gamma radiation

Which of the following is a chemical change: –Ice melting on a hot stove –Light bulb giving off light –Milk souring –Formation of snowflakes

A has exact amounts: –Compound –Solution –Mixture –Physical change

The ability of a substance to burn in air is: –Ductility –Combustibility –Malleability –Solubility

A solvent is: –A solid that is dissolved in a liquid –Another name for a particle –A substance that dissolves a solute –Homogenous mixtures of one or more metals

Transparency is a property of: –Homogenous mixtures –Heterogeneous mixtures –Chemical reactions –gold

Alloys are mixtures: –Transparent –Heterogeneous –Physical –Homogenous

Mechanical mixtures are: –Heterogeneous –Homogenous –Chemical –Solvent

Density is a: –Chemical property –Quantitative property –Mechanical property –Qualitative property

A chemical change is –Breaking a bone –Putting salt into water –Burning paper –Cutting hair

Matter is: –You –A fish –Mammals –Everything

Particles at a higher temperature: –Move faster –Move slower –Don’t move –Grow faster

Matter is classified as: –Hard, soft, rough –Solid, liquid, gas –Air, water, ice –Lakes, trees, soil

The melting point is when something goes from: –A solid to a gas –Gas to solid –Liquid to solid –Solid to liquid

A solution is: –Heterogeneous mixture of two substances –Homogeneous mixture of two or more substances –Mechanical mixture of 7 substances –Homogeneous mixture of only 1 substance

A pure substance: –Is always heterogeneous –Has more than one kind of particle –Are all homogeneous –Can only be a liquid

Mechanical mixtures: –Are all homogeneous –Have definite volume and shape –Are all heterogeneous –Could be either heterogeneous or homogeneous

A compound: –Can be separated by physical means –Gives or takes off energy when formed –Does not give or take off energy when formed –The properties of the particles do not change

A chemical change occurs when something: –Melts –Breaks –Burns –evaporates

A quantitative property is: –A chemical property –Non-measurable –Texture –Measurable

An example of a pure substance is: –Relish –Water –Concrete –Soil

The particle theory of matter states: –Particles are always moving –Particles move fast in cold temperatures –Particles are very large –Particles reject each other

An example of a compound is: –Water –Hydrogen –Oxygen –Pizza