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Chapter 2💧

Chapter 2💧
72問 • 2幎前
  • Sienna Huber
    • 通報

    問題䞀芧

  • 1

    What is anything that has mass and occupies space?

    Matter

  • 2

    What is a substance that cannot be separated or broken down into simpler substances?

    Element

  • 3

    What is the most abundant element in the atmosphere?

    Nitrogen

  • 4

    What are tiny substances that make up elements?

    Atoms

  • 5

    What are 2 or more elements that are chemically bonded together?

    Compound

  • 6

    What is a combination of symbols and numbers to represent a substance?

    Chemical formula

  • 7

    What is matter that has a fixed chemical composition and definite properties?

    Pure substance

  • 8

    Is a element a pure substance?

    Yes

  • 9

    Is a compound a pure substance?

    Yes

  • 10

    What is a combination of two or more pure substances that are not chemically combined?

    Mixture

  • 11

    Which of these is a mixture?

    Grape juice

  • 12

    What types of mixture has substances that are evenly distributed and the mixture is the same throughout?

    Homogeneous mixture

  • 13

    What type mixture has substances that are not mixed uniformly and are not evenly ditributed?

    Heterogeneous mixture

  • 14

    Which are homogeneous mixtures?

    Gasoline, Carbonated drink, Air you breath, Salt water

  • 15

    Which are heterogeneous mixtures?

    Orange juice with pulp, Granite, Sand and water, Oil and vinegar

  • 16

    What is the substance that is being dissolved called?

    Solute

  • 17

    What is the substance that is doing the dissolving called?

    Solvent

  • 18

    What is a homogeneous mixture of metals called?

    Alloy

  • 19

    Which of these are alloys?

    Brass, Stainless steel, Bronze

  • 20

    What is the term for the maximum amount of solute that will dissolve in solvent?

    Solubility

  • 21

    What is it called when a substance will dissolve?

    Soluble

  • 22

    What is it called when a substance won't dissolve?

    Insoluble

  • 23

    What is the term for the amount of solute dissolved in a volume of solution?

    Concentration

  • 24

    What is the term for when a solution contains less than the maximum amount of solute that will dissolve in solvent?

    Unsaturated

  • 25

    What is the term for when a solution contains the maximum amount of solute that will dissolve in solvent.

    Saturated

  • 26

    What is the term for when a solution can dissolve more solute than normally in the solvent?

    Supersaturated

  • 27

    How can you make a solute dissolve fatser?

    Shake it, Stir it, Heat it, Make it smaller (more surface area)

  • 28

    How can you make a solution supersaturated?

    Heat it up

  • 29

    Process of pouring a lighter liquid off a heavier liquid

    Decantation

  • 30

    Process of separating particles from a liquid

    Filtration

  • 31

    Using a mesh strainer to separate different sized particles

    Sifting

  • 32

    Using a magnet to extract metal particles

    Magnetism

  • 33

    Boiling particles out of a substance

    Evaporation

  • 34

    A process used to separate miscible liquids like water and alcohol

    Distillation

  • 35

    Used to separate colored dyes from black ink

    Chromatography

  • 36

    What type of property can be observed or measured to help identify a substance?

    Physical property

  • 37

    What type of property describes how a substance changes into a new substance?

    Chemical property

  • 38

    What are the two chemical properties?

    Reactivity, Flammability

  • 39

    What type of change occurs when changing matter from one form to another without a change to chemical properties?

    Physical change

  • 40

    What type of change occurs when a substance changes composition by forming one or more new substances?

    Chemical change

  • 41

    Select the physical change key words

    Melting, Freezing, Boiling, Pounding/condensing

  • 42

    Select the chemical change key words

    Burning, Rusting, Tarnishing, Rotting, Decomposing, Formation of gas, Digesting, Color change, Temperature change

  • 43

    What is the term for how much matter Is contained in a certain amount of volume?

    Density

  • 44

    What is the formula for density?

    d=m/v

  • 45

    Which separation process is used to remove salt from water?

    Evaporation

  • 46

    The smallest unit of a element that maintains the properties of the element is a(n)...

    Atom

  • 47

    How many hydrogen and oxygen atoms are in water?

    2, 1

  • 48

    Unlike a mixture a pure substance has

    A fixed composition

  • 49

    In a solution the substance that is doing the dissolving is called the...

    Solvent

  • 50

    Solids, liquids. and gases are 3 forms of matter that...

    Are made of atoms, Take up space, Have mass

  • 51

    The different substances in a mixture...

    Keep their properties

  • 52

    Solubility refers to the...

    Maximum amount of solute per 100 grand of solvent

  • 53

    Which tool is best for separating a mixture of sand and water?

    Filter

  • 54

    A solution that cannot dissolve more solute under normal conditions is known as a

    Saturated solution

  • 55

    Olive oil doesn't dissolve in water because it is ______ in water

    Insoluble

  • 56

    You put 1 spoonful of salt into 1 liter of water and stir. The resulting liquid is an example of a(n)...

    Homogeneous mixture

  • 57

    Matter is defined as anything that

    Has mass and takes up space

  • 58

    What separation process is used to separate solutions of miscible liquids (alcohol and water)

    Distillation

  • 59

    What separation process is used to remove charcoal powder from a solution?

    Filtration

  • 60

    A substance that cannot be broken down into simpler substances is a(n)

    Element

  • 61

    Which is not a pure substance?

    Mixture

  • 62

    Whcih is a gas-liquid mixture?

    A carbonated drink

  • 63

    All if the following will increase the dissolving rate of a solute except...

    Cooling the solution

  • 64

    The solubility of calcium chloride is 76g/100g of water at 20 degrees Celsius. A solution of 70g of calcium chloride in 100g of water is...

    Unsaturated

  • 65

    Which of the following is a physical change?

    Bending, Evaporation, Dissolving

  • 66

    What is an example of a physical change?

    Dissolving salt in water

  • 67

    Which is a chemical property?

    Reactivity with oxygen

  • 68

    Which is not a potential sign of chemical change?

    Evaporation of water

  • 69

    Which is not a potential sign of chemical change?

    Boiling

  • 70

    Which causes a chemical change?

    Burning

  • 71

    A chemical property of copper is...

    Reactivity

  • 72

    A physical property of gold is...

    Density

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    問題䞀芧

  • 1

    What is anything that has mass and occupies space?

    Matter

  • 2

    What is a substance that cannot be separated or broken down into simpler substances?

    Element

  • 3

    What is the most abundant element in the atmosphere?

    Nitrogen

  • 4

    What are tiny substances that make up elements?

    Atoms

  • 5

    What are 2 or more elements that are chemically bonded together?

    Compound

  • 6

    What is a combination of symbols and numbers to represent a substance?

    Chemical formula

  • 7

    What is matter that has a fixed chemical composition and definite properties?

    Pure substance

  • 8

    Is a element a pure substance?

    Yes

  • 9

    Is a compound a pure substance?

    Yes

  • 10

    What is a combination of two or more pure substances that are not chemically combined?

    Mixture

  • 11

    Which of these is a mixture?

    Grape juice

  • 12

    What types of mixture has substances that are evenly distributed and the mixture is the same throughout?

    Homogeneous mixture

  • 13

    What type mixture has substances that are not mixed uniformly and are not evenly ditributed?

    Heterogeneous mixture

  • 14

    Which are homogeneous mixtures?

    Gasoline, Carbonated drink, Air you breath, Salt water

  • 15

    Which are heterogeneous mixtures?

    Orange juice with pulp, Granite, Sand and water, Oil and vinegar

  • 16

    What is the substance that is being dissolved called?

    Solute

  • 17

    What is the substance that is doing the dissolving called?

    Solvent

  • 18

    What is a homogeneous mixture of metals called?

    Alloy

  • 19

    Which of these are alloys?

    Brass, Stainless steel, Bronze

  • 20

    What is the term for the maximum amount of solute that will dissolve in solvent?

    Solubility

  • 21

    What is it called when a substance will dissolve?

    Soluble

  • 22

    What is it called when a substance won't dissolve?

    Insoluble

  • 23

    What is the term for the amount of solute dissolved in a volume of solution?

    Concentration

  • 24

    What is the term for when a solution contains less than the maximum amount of solute that will dissolve in solvent?

    Unsaturated

  • 25

    What is the term for when a solution contains the maximum amount of solute that will dissolve in solvent.

    Saturated

  • 26

    What is the term for when a solution can dissolve more solute than normally in the solvent?

    Supersaturated

  • 27

    How can you make a solute dissolve fatser?

    Shake it, Stir it, Heat it, Make it smaller (more surface area)

  • 28

    How can you make a solution supersaturated?

    Heat it up

  • 29

    Process of pouring a lighter liquid off a heavier liquid

    Decantation

  • 30

    Process of separating particles from a liquid

    Filtration

  • 31

    Using a mesh strainer to separate different sized particles

    Sifting

  • 32

    Using a magnet to extract metal particles

    Magnetism

  • 33

    Boiling particles out of a substance

    Evaporation

  • 34

    A process used to separate miscible liquids like water and alcohol

    Distillation

  • 35

    Used to separate colored dyes from black ink

    Chromatography

  • 36

    What type of property can be observed or measured to help identify a substance?

    Physical property

  • 37

    What type of property describes how a substance changes into a new substance?

    Chemical property

  • 38

    What are the two chemical properties?

    Reactivity, Flammability

  • 39

    What type of change occurs when changing matter from one form to another without a change to chemical properties?

    Physical change

  • 40

    What type of change occurs when a substance changes composition by forming one or more new substances?

    Chemical change

  • 41

    Select the physical change key words

    Melting, Freezing, Boiling, Pounding/condensing

  • 42

    Select the chemical change key words

    Burning, Rusting, Tarnishing, Rotting, Decomposing, Formation of gas, Digesting, Color change, Temperature change

  • 43

    What is the term for how much matter Is contained in a certain amount of volume?

    Density

  • 44

    What is the formula for density?

    d=m/v

  • 45

    Which separation process is used to remove salt from water?

    Evaporation

  • 46

    The smallest unit of a element that maintains the properties of the element is a(n)...

    Atom

  • 47

    How many hydrogen and oxygen atoms are in water?

    2, 1

  • 48

    Unlike a mixture a pure substance has

    A fixed composition

  • 49

    In a solution the substance that is doing the dissolving is called the...

    Solvent

  • 50

    Solids, liquids. and gases are 3 forms of matter that...

    Are made of atoms, Take up space, Have mass

  • 51

    The different substances in a mixture...

    Keep their properties

  • 52

    Solubility refers to the...

    Maximum amount of solute per 100 grand of solvent

  • 53

    Which tool is best for separating a mixture of sand and water?

    Filter

  • 54

    A solution that cannot dissolve more solute under normal conditions is known as a

    Saturated solution

  • 55

    Olive oil doesn't dissolve in water because it is ______ in water

    Insoluble

  • 56

    You put 1 spoonful of salt into 1 liter of water and stir. The resulting liquid is an example of a(n)...

    Homogeneous mixture

  • 57

    Matter is defined as anything that

    Has mass and takes up space

  • 58

    What separation process is used to separate solutions of miscible liquids (alcohol and water)

    Distillation

  • 59

    What separation process is used to remove charcoal powder from a solution?

    Filtration

  • 60

    A substance that cannot be broken down into simpler substances is a(n)

    Element

  • 61

    Which is not a pure substance?

    Mixture

  • 62

    Whcih is a gas-liquid mixture?

    A carbonated drink

  • 63

    All if the following will increase the dissolving rate of a solute except...

    Cooling the solution

  • 64

    The solubility of calcium chloride is 76g/100g of water at 20 degrees Celsius. A solution of 70g of calcium chloride in 100g of water is...

    Unsaturated

  • 65

    Which of the following is a physical change?

    Bending, Evaporation, Dissolving

  • 66

    What is an example of a physical change?

    Dissolving salt in water

  • 67

    Which is a chemical property?

    Reactivity with oxygen

  • 68

    Which is not a potential sign of chemical change?

    Evaporation of water

  • 69

    Which is not a potential sign of chemical change?

    Boiling

  • 70

    Which causes a chemical change?

    Burning

  • 71

    A chemical property of copper is...

    Reactivity

  • 72

    A physical property of gold is...

    Density