Matter Basics

Which of the following is matter and not matter?

1 pts

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Strength

Hate

A stone

Idea

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A matter can be described by shape, size, colour, and temperature.

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True

False

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Copper reacting with nitric acid is an example of matter chemical change

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True

False

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A chemical change will never be accompanied by physical changes

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True

False

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What is the type of change if water in the air turns into snow?

1 pts

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A physical change

A chemical change

Non of the above

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Explanation

Soda water (Carbon dioxide is dissolved in water.)

1 pts

volume_mute

Heterogeneous mixture

Homogenous mixture

None of the above

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Explanation

A mixture of iron metal filings and sulfur powder (Both iron and sulfur are elements.)

1 pts

volume_mute

Heterogeneous mixture

Homogenous mixture

None of the above

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Explanation

An amalgam, a combination of some other metals dissolved in a small amount of mercury

1 pts

volume_mute

Heterogeneous mixture

Homogeneous mixture

None of the above

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Identify each as either matter or not matter

1 pts

(1) a book
(2) hate
(3) light
(4) a car
(5) a fried eg

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matter

not matter

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Identify the stages after putting some ice outside the fridge

1 pts

Ice	Water	Vapor
(1)	(2)	(3)

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Gas

Liquid

Solid

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Does each statement represent a physical property or a chemical property?

1 pts

(1) Sulfur is yellow.
(2) Steel wool burns when ignited by a flame.
(3) A gallon of milk weighs over eight pounds.

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physical property

chemical property

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Does each statement represent a physical change or a chemical change?

1 pts

(1) Water boils and becomes steam.
(2) Food is converted into usable form by the digestive system.
(3) The alcohol in many thermometers freezes at about −40 degrees Fahrenheit.

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physical change

chemical change

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Does each statement represent a physical change or a chemical change?

1 pts

(1) Graphite, a form of elemental carbon, can be turned into diamond, another form of carbon, at very high temperatures and pressures.
(2) The house across the street has been painted a new color.
(3) The elements sodium and chlorine come together to make a new substance called sodium chloride.

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physical change

chemical change

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Distinguish between an element and a compound. About how many of each are known?

1 pts

An (1) is a fundamental chemical part of a (2). A (3) is a combination of elements that acts as a different (4)

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element

substance

compound

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Identify each as a heterogeneous mixture or a homogeneous mixture

1 pts

(1) Salt is mixed with pepper
(2) Sugar is dissolved in water
(3) Pasta is cooked in boiling water

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heterogeneous

homogeneous

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Identify each as a heterogeneous mixture or a homogeneous mixture

1 pts

(1) air
(2) dirt
(3) a television set

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heterogeneous

homogeneous

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Explanation

Which choices are solutions

1 pts

(1) Salt is mixed with pepper
(2) Sugar is dissolved in water
(3) Pasta is cooked in boiling water

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solution

not solution

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Which choice is a solution?

1 pts

(1) air
(2) dirt
(3) a radio

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solution

not solution

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Iron is a metal because it is solid, is shiny, and conducts electricity and heat well

1 pts

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True

False

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Oxygen is nonmetal because it is gas and not a good conductor of heat and electricity

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True

False

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Metals vs nonmetals

1 pts

(1) are typically shiny, conduct electricity and heat well, and are malleable and ductile. (2) are a variety of colors and phases, are brittle in the solid phase, and do not conduct heat or electricity well

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Metals

Nonmetals

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Explanation

Elemental carbon

1 pts

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Elemental carbon is a black, dull-looking solid that conducts heat and electricity well. It is very brittle and cannot be made into thin sheets or long wires. Of these properties, how does carbon behave as a metal? How does carbon behave as a nonmetal?

Metals conducts electricity and heat and nonmetals are brittle, dull-looking and cannot be into thin sheets or long wires

Metals are brittle and nonmetals conducts electricity and heat

Metals are brittle and conducts electricity and nonmetals conducts heat

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Explanation

Pure silicon

1 pts

volume_mute

Pure silicon is shiny and silvery but does not conduct electricity or heat well. Of these properties, how does silicon behave as a metal? How does silicon behave as a nonmetal?

Metals are shiny; nonmetals are poor conductors of electricity and heat

Metals are poor conductors of electricity and heat; nonmetals are shiny

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Does each statement represent a physical property or a chemical property?

1 pts

(1) A pile of leaves slowly rots in the backyard.
(2) In the presence of oxygen, hydrogen can interact to make water.
(3) Gold can be stretched into very thin wires.

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physical property

chemical property

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Which of the following is matter and not matter?

Correct Answer

Explanation

A matter can be described by shape, size, colour, and temperature.

Correct Answer

Explanation

Copper reacting with nitric acid is an example of matter chemical change

Correct Answer

Explanation

A chemical change will never be accompanied by physical changes

Correct Answer

Explanation

What is the type of change if water in the air turns into snow?

Correct Answer

Explanation

Soda water (Carbon dioxide is dissolved in water.)

Correct Answer

Explanation

A mixture of iron metal filings and sulfur powder (Both iron and sulfur are elements.)

Correct Answer

Explanation

An amalgam, a combination of some other metals dissolved in a small amount of mercury

Correct Answer

Explanation

Identify each as either matter or not matter

Correct Answer

Explanation

Identify the stages after putting some ice outside the fridge

Correct Answer

Explanation

Does each statement represent a physical property or a chemical property?

Correct Answer

Explanation

Does each statement represent a physical change or a chemical change?

Correct Answer

Explanation

Does each statement represent a physical change or a chemical change?

Correct Answer

Explanation

Distinguish between an element and a compound. About how many of each are known?

Correct Answer

Explanation

Identify each as a heterogeneous mixture or a homogeneous mixture

Correct Answer

Explanation

Identify each as a heterogeneous mixture or a homogeneous mixture

Correct Answer

Explanation

Which choices are solutions

Correct Answer

Explanation

Which choice is a solution?

Correct Answer

Explanation

Iron is a metal because it is solid, is shiny, and conducts electricity and heat well

Correct Answer

Explanation

Oxygen is nonmetal because it is gas and not a good conductor of heat and electricity

Correct Answer

Explanation

Metals vs nonmetals

Correct Answer

Explanation

Elemental carbon

Correct Answer

Explanation

Pure silicon

Correct Answer

Explanation

Does each statement represent a physical property or a chemical property?

Correct Answer

Explanation

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