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Chemistry ATAR Units 1 and 2 > Chapter 2 Definitions > Flashcards

Chapter 2 Definitions Flashcards

1
Q

chemical change

A

a change in the chemical composition of a substance to produce a new substance

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2
Q

chemical property

A

a property of a substance relating to its ability to change to new substances during chemical reactions

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3
Q

compound

A

a pure substance composed of more than one type of atom chemically combined in fixed proportions

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4
Q

distillate

A

the vapour that condenses back to a liquid and which is collected after distillation

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5
Q

distillation

A

a technique for separating a solution and retrieving the liquid component based on differences in boiling point

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6
Q

electrostatic separation

A

a technique for separating substances based on attraction to an electric field

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7
Q

element

A

a pure substance made up of atoms with the same atomic number

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8
Q

filtrate

A

the liquid or solution that passes through the filter paper during filtration

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9
Q

filtration

A

a technique for separating a solid from a liquid or solution, based on solubility

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10
Q

fractional distillation

A

a technique similar to distillation, used to separate liquids that have similar boiling points

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11
Q

hetrogeneous

A

having non uniform composition

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12
Q

homogenous

A

having a uniform composition throughout

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13
Q

immiscible

A

liquids that do not mix

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14
Q

magnetic separation

A

a technique for separating substances based on attraction to a magnetic field

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15
Q

material

A

a substance with particular qualities or that is used for specific purposes

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16
Q

matter

A

a physical substance; anything that has mass and occupies space

17
Q

mixture

A

mater that contains two or more different materials or substances with varying composition

18
Q

physical change

A

a change in the physical properties of a substance but not the chemical composition

19
Q

physical property

A

a property that can be determined without changing the chemical composition of a substance

20
Q

residue

A

the solid remaining in the filter paper after filtration

21
Q

separation funnel

A

equipment used for separating immiscible liquids

22
Q

sieving

A

a technique for separating a mixture based on particle size

23
Q

solute

A

the substance that dissolves in a solution usually present in small amounts

24
Q

solution

A

a homogeneous mixture

25
Q

solvent

A

the substance in which the solute dissolves or the greater part of the solution

26
Q

substance

A

a homogeneous material made up of the same type of particle

27
Q

vaporation

A

a technique for separating the liquid component of a solution, based on boiling point

Chemistry ATAR Units 1 and 2 (6 decks)

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