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SCIENCE 2ND SEM
40問 • 1年前
  • Princess ann Laral
    • 通報

    問題一覧

  • 1

    Which of the following does not belong to the group?

    Sublimation

  • 2

    A non-useful chemical change is

    releasing of black soot from vehicles

  • 3

    Which is the best way to separate a mixture of cork and small rocks?

    Use water to make the cork float and the small rocks sink.

  • 4

    Which one of the following is not a chemical change?

    Using magnet on iron

  • 5

    Which of the following statements represents a physical change?

    Frozen mango juice melted when left standing at room temperature for 30 minutes.

  • 6

    Which of the following practices will an environmentalist believe?

    Classifying garbage can identify biodegradable and non-biodegradable waste.

  • 7

    A mixture of agua oxinada or hydrogen peroxide and water can be separated by:

    Distillation

  • 8

    To get salt out of a solution, a student could try

    evaporating the water so the salt is left behind

  • 9

    If Mary pours the water off after boiling the sweet potatoes, what process has taken place?

    Decanting

  • 10

    What happens to the force of attraction between particles a solid material melts. The force of attraction

    decreases

  • 11

    A certain animal tissue has 15% water and 85% fat. How would you separate the mixture?

    filter the fat from water

  • 12

    What happens to water molecules when liquid water evaporates?

    the molecules move slowly away from each other.

  • 13

    Ice water was poured into a clean dry glass jar and then tightly covered. After some time liquid droplets formed on the outside wall of the glass jar. What is the correct explanation of this observation?

    Water molecules in air gathered or condensed on the cold glass surface.

  • 14

    What will happen when you apply more heat to boiling water?

    The temperature of water will not change.

  • 15

    Why do people disagree on the use synthetic detergents?

    Some detergents are non-biodegradable.

  • 16

    Which of the following situations exhibits a chemical change?

    burning of gasoline

  • 17

    The formation of gas bubbles can be observed when baking soda is added to vinegar. This is a sign of

    chemical change

  • 18

    What is the best way to handle a household cleaner?

    read the lable

  • 19

    Which label wording is the safest when looking to buy a household product?

    Caution

  • 20

    The enzymatic browning of apple is due to the oxidation of phenols known as

    orthoquinones

  • 21

    Which of the following statements is NOT true?

    In a solid material, the particles are not moving

  • 22

    A body is taken from the earth to the moon. What is expected to happen?

    Its mass will remain the same but weight will be different.

  • 23

    Why can we smell bagoong when somebody is cooking it?

    The particles from bagoong spread in air.

  • 24

    Which among the following materials can be best drawn into thin wires and hammered into sheets which can be used for electrical wiring?

    copper

  • 25

    In which of the following can sound travel the fastest?

    solid

  • 26

    Three liquids A, B, C were studied in a laboratory. Liquid A was found to float over B and C It was also found that liquid A flows fastest among the three. What can be said about liquid A

    Least dense and least viscous

  • 27

    Which has a greater density, a lake full of water or a cupful of water?

    They have same density

  • 28

    Metals have been used for making coins and jewelries. Which of the following characteristics is true of metals?

    Metals are malleable and ductile

  • 29

    The particles in a solid are arranged as follows:

    packed together and can only vibrate

  • 30

    Which of the following is TRUE about most gases?

    They expand to completely fill their container

  • 31

    Which of the following does NOT involve a chemical change in their manufacturing process?

    native bag

  • 32

    Icebergs (frozen fresh water) float in the ocean. From this it is possible to conclude that

    ice is not as dense as sea water

  • 33

    Soap, body lotion, and shampoo are examples of consumer products intended for

    beautification

  • 34

    What is the volume of 80.0 grams of ether if the density of ether is 0.70 g/ml

    8.9 x 10 ml

  • 35

    Which of the following can cause easily the decomposition of leafy vegetables? I. bacteria and fungi II. temperature III. moisture in the environment

    D. I. II, and III

  • 36

    Crude oil can be separated into gasoline, diesel, heating oil, etc. by differences in boiling points. The form of matter which would best describe crude oil is:

    homogeneous mixture

  • 37

    Which of the following statements is FALSE?

    Solid water (ice), unlike most substances, is denser than its liquid form (water).

  • 38

    Which physical state/property is incorrectly matched

    liquids and solids - rigid shape

  • 39

    Which of the following observations proves that there is a lot of space between gas molecules?

    Large amount of air can be pumped into a car tire.

  • 40

    Substances in which phase of matter have the most space between particles?

    carbon dioxide gas

    • TTP

    TTP

    Princess ann Laral · 5問 · 2年前

    TTP

    TTP

    5問 • 2年前
    Princess ann Laral

    UTS

    UTS

    Princess ann Laral · 100問 · 2年前

    UTS

    UTS

    100問 • 2年前
    Princess ann Laral

    PURPOSIVE COM

    PURPOSIVE COM

    Princess ann Laral · 89問 · 2年前

    PURPOSIVE COM

    PURPOSIVE COM

    89問 • 2年前
    Princess ann Laral

    NSTP

    NSTP

    Princess ann Laral · 46問 · 2年前

    NSTP

    NSTP

    46問 • 2年前
    Princess ann Laral

    MMW

    MMW

    Princess ann Laral · 42問 · 1年前

    MMW

    MMW

    42問 • 1年前
    Princess ann Laral

    FACILITATING

    FACILITATING

    Princess ann Laral · 69問 · 1年前

    FACILITATING

    FACILITATING

    69問 • 1年前
    Princess ann Laral

    T&COM

    T&COM

    Princess ann Laral · 100問 · 1年前

    T&COM

    T&COM

    100問 • 1年前
    Princess ann Laral

    SPED

    SPED

    Princess ann Laral · 37問 · 1年前

    SPED

    SPED

    37問 • 1年前
    Princess ann Laral

    teachcom finals

    teachcom finals

    Princess ann Laral · 7問 · 1年前

    teachcom finals

    teachcom finals

    7問 • 1年前
    Princess ann Laral

    MMW FINALS

    MMW FINALS

    Princess ann Laral · 14問 · 1年前

    MMW FINALS

    MMW FINALS

    14問 • 1年前
    Princess ann Laral

    FACI 2ND SEM

    FACI 2ND SEM

    Princess ann Laral · 47問 · 1年前

    FACI 2ND SEM

    FACI 2ND SEM

    47問 • 1年前
    Princess ann Laral

    RIZAL

    RIZAL

    Princess ann Laral · 75問 · 1年前

    RIZAL

    RIZAL

    75問 • 1年前
    Princess ann Laral

    CURRICULUM

    CURRICULUM

    Princess ann Laral · 53問 · 1年前

    CURRICULUM

    CURRICULUM

    53問 • 1年前
    Princess ann Laral

    SCIENCE

    SCIENCE

    Princess ann Laral · 96問 · 1年前

    SCIENCE

    SCIENCE

    96問 • 1年前
    Princess ann Laral

    ENGLISH

    ENGLISH

    Princess ann Laral · 36問 · 1年前

    ENGLISH

    ENGLISH

    36問 • 1年前
    Princess ann Laral

    STS

    STS

    Princess ann Laral · 44問 · 1年前

    STS

    STS

    44問 • 1年前
    Princess ann Laral

    SOCSTUD

    SOCSTUD

    Princess ann Laral · 18問 · 1年前

    SOCSTUD

    SOCSTUD

    18問 • 1年前
    Princess ann Laral

    UTS

    UTS

    Princess ann Laral · 100問 · 1年前

    UTS

    UTS

    100問 • 1年前
    Princess ann Laral

    Curriculum FINALS

    Curriculum FINALS

    Princess ann Laral · 36問 · 1年前

    Curriculum FINALS

    Curriculum FINALS

    36問 • 1年前
    Princess ann Laral

    問題一覧

  • 1

    Which of the following does not belong to the group?

    Sublimation

  • 2

    A non-useful chemical change is

    releasing of black soot from vehicles

  • 3

    Which is the best way to separate a mixture of cork and small rocks?

    Use water to make the cork float and the small rocks sink.

  • 4

    Which one of the following is not a chemical change?

    Using magnet on iron

  • 5

    Which of the following statements represents a physical change?

    Frozen mango juice melted when left standing at room temperature for 30 minutes.

  • 6

    Which of the following practices will an environmentalist believe?

    Classifying garbage can identify biodegradable and non-biodegradable waste.

  • 7

    A mixture of agua oxinada or hydrogen peroxide and water can be separated by:

    Distillation

  • 8

    To get salt out of a solution, a student could try

    evaporating the water so the salt is left behind

  • 9

    If Mary pours the water off after boiling the sweet potatoes, what process has taken place?

    Decanting

  • 10

    What happens to the force of attraction between particles a solid material melts. The force of attraction

    decreases

  • 11

    A certain animal tissue has 15% water and 85% fat. How would you separate the mixture?

    filter the fat from water

  • 12

    What happens to water molecules when liquid water evaporates?

    the molecules move slowly away from each other.

  • 13

    Ice water was poured into a clean dry glass jar and then tightly covered. After some time liquid droplets formed on the outside wall of the glass jar. What is the correct explanation of this observation?

    Water molecules in air gathered or condensed on the cold glass surface.

  • 14

    What will happen when you apply more heat to boiling water?

    The temperature of water will not change.

  • 15

    Why do people disagree on the use synthetic detergents?

    Some detergents are non-biodegradable.

  • 16

    Which of the following situations exhibits a chemical change?

    burning of gasoline

  • 17

    The formation of gas bubbles can be observed when baking soda is added to vinegar. This is a sign of

    chemical change

  • 18

    What is the best way to handle a household cleaner?

    read the lable

  • 19

    Which label wording is the safest when looking to buy a household product?

    Caution

  • 20

    The enzymatic browning of apple is due to the oxidation of phenols known as

    orthoquinones

  • 21

    Which of the following statements is NOT true?

    In a solid material, the particles are not moving

  • 22

    A body is taken from the earth to the moon. What is expected to happen?

    Its mass will remain the same but weight will be different.

  • 23

    Why can we smell bagoong when somebody is cooking it?

    The particles from bagoong spread in air.

  • 24

    Which among the following materials can be best drawn into thin wires and hammered into sheets which can be used for electrical wiring?

    copper

  • 25

    In which of the following can sound travel the fastest?

    solid

  • 26

    Three liquids A, B, C were studied in a laboratory. Liquid A was found to float over B and C It was also found that liquid A flows fastest among the three. What can be said about liquid A

    Least dense and least viscous

  • 27

    Which has a greater density, a lake full of water or a cupful of water?

    They have same density

  • 28

    Metals have been used for making coins and jewelries. Which of the following characteristics is true of metals?

    Metals are malleable and ductile

  • 29

    The particles in a solid are arranged as follows:

    packed together and can only vibrate

  • 30

    Which of the following is TRUE about most gases?

    They expand to completely fill their container

  • 31

    Which of the following does NOT involve a chemical change in their manufacturing process?

    native bag

  • 32

    Icebergs (frozen fresh water) float in the ocean. From this it is possible to conclude that

    ice is not as dense as sea water

  • 33

    Soap, body lotion, and shampoo are examples of consumer products intended for

    beautification

  • 34

    What is the volume of 80.0 grams of ether if the density of ether is 0.70 g/ml

    8.9 x 10 ml

  • 35

    Which of the following can cause easily the decomposition of leafy vegetables? I. bacteria and fungi II. temperature III. moisture in the environment

    D. I. II, and III

  • 36

    Crude oil can be separated into gasoline, diesel, heating oil, etc. by differences in boiling points. The form of matter which would best describe crude oil is:

    homogeneous mixture

  • 37

    Which of the following statements is FALSE?

    Solid water (ice), unlike most substances, is denser than its liquid form (water).

  • 38

    Which physical state/property is incorrectly matched

    liquids and solids - rigid shape

  • 39

    Which of the following observations proves that there is a lot of space between gas molecules?

    Large amount of air can be pumped into a car tire.

  • 40

    Substances in which phase of matter have the most space between particles?

    carbon dioxide gas