Chemical and Physical properties or change Flashcards

1
Q

Chemical Properties

A

It is a type of substance that you can see/observe that does not change the chemical matter or has the same matter.
Eg Some examples of chemical properties are vapor, energy level, electric charge and toxicity.

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2
Q

Physical Properties

A

It is a matter that can be observed and measured without changing the physical matter.
Eg Some examples of physical properties are the smell, taste, touch, hearing, the appearance, colour, texture, odor and the weight of the substance/matter/objects.

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3
Q

Chemical Reaction

A

It is when a substance chemical changes from one or more chemicals are produce or made.

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4
Q

Reactants

A

It is when a substance takes part or undergoes through a chemical change.

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5
Q

Products

A

It is the new chemical substance that came or resulted from a chemical reaction.

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6
Q

Precipitate

A

It is a solid substance or product that came or resulted from a chemical reaction which can not dissolve in water.

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7
Q

Reaction Rate

A

The speed of the reaction occurred or took place.

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8
Q

Catalyst

A

It is the chemical that helps it start or speed up a chemical reaction but is still stayed there once the reaction has finished.

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9
Q

Rusting

A

It is the corrosion of the iron and it turns to a reddish orange colour.

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10
Q

Corrosion

A

It is a chemical reaction that wears away metal by exposing the metal to oxygen and water.

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11
Q

Rust

A

It is a reddish orange colour that is formed when a metal is exposed to oxygen and water.

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12
Q

Surface protection

A

It is the coating of metal to prevent or stop corrosion occurring on metals.

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13
Q

Galvanising

A

It is when you are protecting metal by covering it with more reactive metal that will corrode first and protect the other metal.

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14
Q

Burning

A

It is a combination of substance with oxygen to form a flame.

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15
Q

Oxidation

A

It was a chemical reaction which involving the loss of electrons by a substance

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16
Q

fossil fuel

A

It is substances such as oil and coal which is produce from the remains of ancient organisms.

17
Q

Combustion

A

It is the process of combining oxygen, most commonly burning with a flame.