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Chemistry 11 > Physical Properties And Physical Changes Of Substances > Flashcards

Physical Properties And Physical Changes Of Substances Flashcards

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1
Q

What is Qualitative information?

A

It is Non-Numerical information

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2
Q

What is Quantitative information?

A

It is Numerical information

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3
Q

What is Matter?

A

Matter is anything that has mass and occupies space

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4
Q

What is Chemistry?

A

Chemistry is the science concerned with the properties, composition and behaviour of matter

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5
Q

What is a substance?

A

A substance is something with a unique and identifiable set of properties

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6
Q

What is physical properties?

A

Physical properties can be observed or measured without changing the composition of matter

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7
Q

What is chemical properties?

A

Chemical properties is a characteristic of substance that may be observed when it undergoes a chemical change or reaction

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8
Q

Two types of physical properties?

A

Extensive and Intensive property

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9
Q

What is an Extensive property?

A

An Extensive property of a substance is a physical property which depends on the amount of the substance present

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10
Q

What is an Intensive property?

A

Intensive property depends on the nature of the substance and not on how much of the substance is present

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11
Q

Three states of matter?

A

Solid, liquid, gas

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12
Q

What is hardness?

A

Hardness is how resistant something is to scratching

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13
Q

What is Malleability?

A

Malleability is the ability to be rolled up or hammered into thin sheets

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14
Q

What is Ductility?

A

Ductility is the ability to be stretched or drawn into wires

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15
Q

What is Lustre?

A

Lustre is how shiny something is

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16
Q

What is Viscosity?

A

Viscosity is the resistance of a fluid to flow

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17
Q

What is Vapour?

A

Vapour is gas formed by evaporation

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18
Q

What is Vapour Pressure?

A

Vapour Pressure is pressure created by the vapour evaporating from a liquid

19
Q

What is an Element?

A

An Element is a pure substance which cannot be broken down into simpler substances by any chemical process

20
Q

What is an atom?

A

An Atom is the smallest unit of matter that forms a chemical element

21
Q

What is a Molecule?

A

A Molecule is two or more atoms that are bound together

22
Q

What is an Ion?

A

An Ion is an atom or molecule which possesses an electrical charge

23
Q

What is a Pure Substance?

A

Pure Substance is a substance that has unchanging, uniform properties

24
Q

What is a Mixture?

A

A Mixture is a system made up of two or more substances

25
Q

What is a Compound?

A

Compound is a pure substance made up of two or more elements chemically combined

26
Q

What is an Homogeneous mixture?

A

All samples of Homogeneous mixture have the same properties or characteristics

27
Q

What is an Heterogeneous mixture?

A

An heterogeneous mixture components has different physical properties

28
Q

What is a Solution?

A

A Solution is a homogeneous mixture of two or more substances

29
Q

What is a Solvent?

A

A Solvent is the component in a solution which exists in the greater quantity

30
Q

What is a Solute?

A

A Solute is the component in a solution which exists in the smaller quantity

31
Q

What is Hand Separation?

A

Hand Separation is the use of sieve or magnet

32
Q

What is Filtration?

A

Filtration allows the separation of liquids from big particles of solids

33
Q

The material which remains behind on Filter Paper is called?

A

The Residue

34
Q

The liquid which passes through the filter paper is called?

A

The Filtrate

35
Q

What is Evaporation?

A

Evaporation is used for a Mixture of solution to separate solid dissolved in liquid

36
Q

What is Distillation?

A

Distillation is used when two substances that are completely mixed but have different boiling points

37
Q

What is Solvent Extraction?

A

Solvent Extraction is used to separate liquids that does not mix

38
Q

What is Recrystallization?

A

Recrystallization is used when a substance has just a few impurities

39
Q

What is Centrifugation(Gravity Separation)?

A

Centrifugation is used to separate desired solids from mixture based on density

40
Q

What is Paper Chromatography?

A

Paper Chromatography is used to separate solution by allowing it to flow along Chromatography Paper

41
Q

What is Chemical Change?

A

Chemical Change is a change in which new substances are produced

42
Q

What is Physical Change?

A

Physical Change is a change in which no new substances are produced

43
Q

What is Kinetic energy?

A

Kinetic energy is the motion of particles

44
Q

What is Potential energy?

A

Potential energy is the forces holding particles together

Chemistry 11 (1 decks)

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